Network Pro for DR.C: Subnets, a Central Hub, the CSMA/CD Access Method – Flashcards

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question
Which of the following statements accurately describes how a modem works?
answer
It demodulates anolog data from a telphone network into digital pc data. It modulates digital data from the pc inito analog data and transmits it on a telelphone network
question
At which OSI model layer does a media converter operate?
answer
Layer 1
question
Which of the following i a valid MAC address?
answer
ab.07.cf.62.16.bd
question
Which of the following is true about the mac address
answer
It is typically represented by hexadecimal numbers it is a 48-bi address
question
You have a server that has a 100baseFx network interface card that youneed to connect to a switch. The switch only has 100BaseTX switch ports.
answer
media converter
question
What device sends signals from a computer onto a network?
answer
Transceiver
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Which of the following is valid Mac address
answer
co.36.ff.15.01.8E
question
A host wants to send a message to another host with IP address 115.99.80.157. Ip doesn't know the hardwar address of the destination device. Whci protocol can be used to discover the MAC address?
answer
ARP
question
What type of module might a switch use to allow it to modify the media type supported by a switch port?
answer
GBIC SFP
question
Which network component connects a device with the transmission media and allows it to send and receive messages?
answer
Network interface card
question
What topology does each device on the network act as a repeater, sending the signal to the next device?
answer
ring
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you have a network that uses a logical ring topology. How do messages travel through the network?
answer
Messages travel from one device to the next until they reach the destination device.
question
Which of the following topologies connects all devices to a trunk cable?
answer
bus
question
You want ot implement a fault tolerant topology as you interconnect routers on you wide area network. Whcih of the following would meet your needs?
answer
Mesh
question
You have been asked to implement a network infrastructure that will accommodate failed connections. Which of the following network topologies provides redundancy for a failed link?
answer
Mesh
question
Which of the following topologies connects each device to a neighboring device?
answer
Ring
question
You have a network that uses logical bus topology. How do messages travel through the network?
answer
Messages are broadcast to all devices connected to the network.
question
What device is used to create a physical star topology?
answer
switch
question
What topology connects each network device to a central hub?
answer
star
question
You have implemented an ad-hoc wireless network that doesn't employ a wireless access point. Every wireless network card can communicate directly with any other wireless network card on the network.
answer
mesh
question
you have a small network that uses a hub to connect multiple devices. What physical topology is used?
answer
star
question
What topology connects each network device to a central hub?
answer
star
question
Your company has just acquired another company in the same city. You are given the task of integrating the two e-mail systems so that messages can be exchanged between e-mail servers. However, each network uses an e-mail package from a different vendor. Which TCP/IP protocol will enable messages to be exchanged between systems?
answer
SMTP
question
You want to transfer a file from a UNIX server to a Windows 2000 computer. Which of the following utilities could you use to do this?
answer
FTP TFTP
question
What protocol sends e-mail to a mail server?
answer
SMTP
question
Which protocol is used on the world wide web to transmit web pages to web browsers?
answer
HTTP
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You want to allow you users to download files from a server running the TCP/IP protocol. You want to require user authentication to gain access to specific directories on the server. Which TCP/IP protocol should you implement to provide this capability?
answer
FTP
question
You have a large TCP/IP network and want to keep hosts; real time clock synchronized. What protocol should you use?
answer
NTP
question
Which of the following protocol stores e-mail on the mail server and gives users a choice to download mail or keep it on the server?
answer
IMAP4
question
Which of the following protocols allows hosts to exchange messges to indicate problems with packet delivery?
answer
ICMP
question
You are asked to recommend an e-mail retrieval protocol for a company's sales team. The sales team needs to access e-mail from various locations and possible different computers. The sales team does not want to worry about transferring e-mail messages or files back and forth between these computer. Which em-mail protocol was designed for this purpose?
answer
IMAP
question
Which of the following TCP/IP protocols do e-mail clients use to download messages from a remote mail server?
answer
POP3
question
What is the basic purpose of the OSI physical layer?
answer
coordinates rules for transmitting bits.
question
Which of the following functions are performed at the Physical layer of the OSI model?
answer
Movement of data across network cables
question
Which of the following are functions of the MAC sublayer?
answer
Letting devices on the network have access to the LAN Defining a unique hardware address for each device on the network
question
In the OSI model, which of the following functions are performed at the application layer?
answer
Integration of network functionality into the host operating system Enabling communication between network clients and services
question
which two of the following are included as part of Data link layer specifications?
answer
controlling how messages are propagated through the network Identifying physical network devices.
question
In the OSI model, what is the primary function of the Network layer?
answer
routes messages between the networks
question
the UDP transport protocol provides which of the following features?
answer
connectionless datagram services low overhead
question
In the OSI model, which of the following functions are performed at the Presentation layer?
answer
specify data format (such as file formats) Encrypt and compress data
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Which three of the following functions are performed by the OSI Transport layer?
answer
Reliable message delivery data segmentation and reassembly end to end flow control
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Which OSI model layer is responsible for guaranteeing reliable message delivery
answer
transport
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Which of the following tasks is associated with the session layer?
answer
connection establishment
question
You are an application developer and are writing a program to exchange video files through a TCP/IP network. You need to select a transport protocol that will guarantee delivery. Which TCP/IP protocol would you implement that provides this capability?
answer
TCP
question
Which of the following protocols includes extensive error checking to ensure that a transmission is sent and received without mistakes?
answer
TCP
question
Which of the following tasks are associated with the session layer?
answer
Connection establishment
question
The Data link layer of the OSI model is comprised of two sublayer. What are they?
answer
MAC LLC
question
You are installing networking wiring for a new Ethernet network at you company's main office building. The project specifications call for Category 5 UTP network cabling and RJ-45 wall jacks. Near the end of the project, you run out of wire before the last few runs are complete you have a spool of Category 3 network cable in storage. Upon investigation it appears very similar to category 5 wiring. Should you substitute 3 cabling for Category 5 cabling to finish the project?
answer
No, Category 5 cabling has more twists per inch tan category 3 cabling to reduce cross-talk and support higher data rates.
question
In which of the following situations might you use an RJ-11 connector?
answer
You want to connect your computer to the internet with a dial-up connection
question
Which of the following cable types often includes a solid plastic core?
answer
cat 6
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Which of the following applications is more likely to justify the investment in Category 6 cable?
answer
Streaming video
question
when would you typically use and Rj_11 connector?
answer
When connecting a phone to a phone line.
question
You are adding new wires in you building for some new offices. The building has a false ceiling that holds the lights. You would like to run your Ethernet cables in this area.
answer
Plenum
question
YOu have a small home network connected to the internet using an RG_6 cable. You need to move the router connecting the network to the internet, but can't find any RG-cable. Which cable types could you use instead
answer
RG-59
question
F-type connectors are typically used with cables using which of the following standards? select 2 CAT 5e RG-59 RG-58 RG-6 CAT 5 CAT 6e
answer
RG-59 RG-6
question
Which of the following are characteristics of coaxial cable?
answer
the ends of the cable must be terminated it has conductor made from copper in the center of the cable. It uses two concentric metallic conductors.
question
Of the following cables, which offer the best protection against EMI? CAT 5e CAT 6e CAT 5 RG-6
answer
RG-6
question
You have just signed up for a broadband home internet service that uses coaxial cable. Which connector type will you most likely use? BNC RJ-11 SC F-TYPE RJ-45 ST
answer
F-TYPE
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Which of the following cable classification are typically used for cable and satellite networking with coaxial? select 2 RG-6 RG-8 RG-58 RG-59
answer
RG-6 RG-59
question
Of the following cables, which offer the best protection against EMI? CAT 5 CAT-6 CAT-5e Single mode fiber optic
answer
single mode fiber optic
question
Which of the following connectors are used with fiber optic cables and include both cables in a single connector? select 2 SC ST LC MT-RJ BNC
answer
LC MT-RJ Picture is MT-RJ
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LC
answer
LC
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Which of the following forms of optical fiber would usually be used to connect two buildings across campus from each other, which are several kilometers apart? Fiber Channel mode Single mode Multi mode dual mode
answer
Single mode
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Which of the following connectors usually require polishing as part of the assembly process? select 2 IDC SC AUI BNC ST
answer
SC ST
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SC CONNECTOR
answer
SC CONNECTOR
question
Which of the following are characteristics of an LC fiber optic connector? *They use a stainless steel housing. *They are threaded *they can be used with either fiber optic or copper cabling *They use a housing and latch system similar to an RJ-45 UTP connector *they are half the size of standard connectors
answer
They use a housing and latch system similar to an RJ-45 UTP connector *they are half the size of standard connectors
question
Which of the following are advatages of using fiber optic cabling for a network, as opposed to other types of cabling? *Greater cable distances without a repeater *Lower installation cost *Immunity to electromagnetic interference *Faster installation
answer
Greater cable distances without a repeater Immunity to electromagnetic interference
question
Which of the following is true about single mode fiber optic network cabling? *The central core is composed of braided plastic or glass fibers *It's less expensive than multimode fiber optic cabling *It doesn't support segment lengths as long as that supported by multimode fiber optic cabling. *The central core is smaller than the multimode fiber optic cabling. *It transmits multiple rays of light concurrently
answer
The central core is smaller than that of multimode fiber optic cabling
question
Which of the following connectors is used with fiber optic cables and connects using a twisting motion? BNC LC F-TYPE SC ST
answer
ST
question
Which of the following are characteristics of an MT-RJ fiber optic connector *They can be used with multimode fiber optic cables *They use metal guide pins to ensure accurate alignement. *They must never be used with single-mode fiber optic cables *They use nickel-plated housing *They use a keyed bayonet *They are used with multifiber fiber optic ribbon cables
answer
*They can be used with multimode fiber optic cables *They use metal guide pins to ensure accurate alignment.
question
Which of the following is a valid MAC address *AB.07.CF.62.16.BD *145.65.245.10 *FABC.875E.9BG6
answer
AB.07.CF.62.16.BD 12 hexadecimal ranging form 0-9 and A-F only
question
What device sends signals from a computer onto a network?
answer
Transceiver
question
Which network component connects a device with the transmission media and allows it to sen and receive messages?
answer
Network interface card (NIC)
question
What type of module might a switch use to allow it to modify the media type supported by a switch port? select 2 GBIC MPLS OX-x SFP
answer
GBIC gigabit interface converter SFG small form-factor pluggable
question
At which OSI model layer does a media converter operate?
answer
Layer 1 (Physical layer)
question
A host wants to sen a message to another host with the IP address 115.99.80.157. IP does not know the hardware address of the destination device. Which protocol can be used to discover the MAC address?
answer
ARP address resolution Protocol
question
You have a server that has a 100baseFX network interface card thath you need to connect to a switch. The switch only has 100BaseTX switch port. What device should you use? *Gateway *media converter *Hub *repeater
answer
Media converter
question
Which of the following statements accurately describes how a modem works? select 2 *It transmits digital signals over ordinary telephone copper wiring at a rate up to 128kbps *It demodulates analog data from telephone network into digital PC data *It modulates digital data from the PC into analog data and transmits it on a telephone network. *It demodulates analog PC data into digital data that can be transmitted through a telephone network.
answer
It demodulates analog data from telephone network into digital PC data *It modulates digital data from the PC into analog data and transmits it on a telephone network.
question
Which of the following is true about the MAC address? select 2 *it is a 64-bit address *It is a 48 bit address *it is typically represented by octets of decimal numbers between 0-255 *it is typically represented by hexadecimal numbers
answer
It is a 48 bit address It is typically represented by hexadecimal numbers
question
Which of the following devices is used on LAN and offers guaranteed bandwidth to each port? Bridge switch router
answer
Switch
question
at which layer of the OSI model do hubs operate?
answer
Physical
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How do switches and bridges learn where devices are located on a network?
answer
when a frame enters a port, the source MAC address is copied from the frame header.
question
Which three of the following devices operate at the Data Link layer of the OSI model? select 3 routers switches NIC bridges repeaters hubs
answer
switches NIC Bridges
question
Which device is used on a LAN and offers guaranteed bandwidth to each port? router switch Bridge
answer
Switch
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An access point that conforms to the IEEE802.11b standard acts most closely to what other networking device? Router Patch bay terminal Hub Gateway
answer
Hub
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Which of the following devices operate at OSI model layer 2. select 2 Firewall Hub Router Switch Repeater NIC
answer
Switch Network interface card (NIC)
question
Which of the following best describes how a switch functions? *It connects multiple segments of different architectures. It translates frames, and broadcasts them to all of its ports. *It connects multiple cable segments and broadcasts frames to all of its ports. *It connects multiple cable segments (or devices), and forwards frames to the appropriate segment.
answer
*It connects multiple cable segments (or devices), and forwards frames to the appropriate segment.
question
a Switch is associated with which OSI model layer
answer
Data link
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An 8-port switch receives a frame on port number 1. The frame is addressed to an unknown device. What will the switch do?
answer
Send the frame out ports 2-8
question
Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents? select 2 Hub router repeater gateway bridge switch
answer
Hub repeater
question
Your company purchases a new bridge, which filters packets based on the MAC address of the destination computer. On which layer of the OSI model is this device functioning?
answer
Data Link
question
At which of the following OSI layers does a router operate?
answer
Layer 3 Network Layer
question
You are the network administrator for a small organization. Recently, you contracted with an ISP to connect you organization's network to the Internet to provide users with Internet access. Since doing so, it has come to your attention that an intruder has invaded your network from the Internet on three separate occasions. What type of network hardware should you implement to prevent this from happening again?
answer
Firewall
question
Which of the following hardware devices links multiple networks and directs traffic between networks?
answer
router
question
Which of the following use the CSMA/CD access method? select all that apply FDDI token ring 1000BaseT 10BaseT
answer
1000BaseT 10BaseT
question
Which of the following connectors is used with Ethernet 10BaseT networks?
answer
RJ-45
question
Which of the following physical topologies are used with Ethernet networks? select two Bus Mesh Ring Star
answer
Bus Star
question
The media access control method of all Ethernet networks is
answer
CSMA/CD
question
A network is connected following the IEEE802.3 specifications. Which of the following best describes when a device can transmit messages? *The device listens to determine if the transmission media is free. *The device transmits whenever it is ready. *The device requests permission from a controlling device. *The device with the token can use the transmission media. *The device is notified of its turn to send messages.
answer
The device listens to determine if the the transmission media is free.
question
You are planning a network for an education campus. Due to the size of the buildings and the distance between them, you have elected to use 10BaseFL hubs, cabling, and network interface cards. What is the maximum length for the network cable between a workstation and a hub?
answer
2000 meters
question
You have been tasked with designing a high-speed Ethernet network. Your client's building already has 150-ohm shielded twisted pair (STP) wiring installed. Due to budget constraints, they have asked you to reuse the existing wiring instead of installing new fiber-optic cabling. Which Ethernet standard could you implement in this situation
answer
1000BaseCX
question
What type of cabling is used with 100BaseTX
answer
Type 1A STP or Category 5 UTP
question
Your network follows the 100BaseFX specifications for Fast Ethernet, and uses half-duplex, multimode cable. What is the maximum cable segment length allowed
answer
412 meters
question
Which Gigabit Ethernet standard uses multimode fiber-optic cabling and supports network segments up to a maximum of 550 meters long?
answer
1000BaseSX
question
What topology is used with 100BaseTX Fast Ethernet networks? select 2 physical ring/logical star physical star/logical bus physical star/logical ring physical star/logical star
answer
physical star/logical bus physical star/logical star
question
what is the minimum cable specification that supports 1000mbps Ethernet?
answer
Cat 5
question
Which of the following are requirements of the 1000BaseT Ethernet standards? select all the apply *SC or ST connectors *The cable length must be less than or equal to 100m *RJ-45 connectors *The cable length must be less than or equal to 1000m *CAT 5e cabling Fiber optic cable
answer
The cable length must be less than or equal to 100m *RJ-45 connectors CAT 5e cabling
question
You have been tasked with designing an Ethernet network. Your client needs to implement a very high-speed network backbone between campus buildings; some of which are around 300 m apart. Multimode fiber-optic cabling has already been installed between buildings. Your client has asked that you use the existing cabling. Which Ethernet standard meets these guideline: select 2 1000BaseT 1000BaseCX 10BaseER 1000BaseSX 10BaseSR
answer
1000BaseSX 10BaseSR
question
Your network follows the 100BaseTx specifications for Fast Ethernet. What is the maximum cable segment
answer
100 meters
question
Ethernet 100BaseFX networks use what type of cabling?
answer
Fiber optic
question
Which Gigabit Ethernet standard can support long network segments up to maximum of 5 km when used with single mode fiber-optic cable?
answer
1000BaseLX
question
You would like to implement 10Gbps Ethernet over a distance of 1 kilometer or greater. Which of the following would be the minimum requirement for the implementations? select 2 single mode fiber 10GBaseLR standards multimode fiber 10GBaseER standards 10GBaseSR standards
answer
single mode fiber 10GBaseLR standards
question
Which of the following Ethernet standards uses fiber optic cabling? 1000BaseCX 100BaseT4 100BaseFX 100BaseTX 1000BaseLX
answer
100BaseFX 1000BaseLX
question
With an Ethernet 10BasT network, the maximum cable lenght between a computer and the hub is
answer
100 meters
question
YOu want to implement an Ethernet network at very long distances using fiber optic cables. Which standard and cable type would you choose: select 2 1000BaseLX 1000BaseSX single mode fiber multimode fiber 1000BaseCX
answer
1000BaseLX single mode fiber
question
which of the following standards is used by SONET? 1000BaseCX 1000BaseLX 10GBaseLW 10GBaseER
answer
10GbaseLW
question
You need to connect a workstation to a switch using a regular port on the switch (not an up link port). The switch does not support auto-MDI. Which type of cable should you use? Loopback straight-through crossover rollover
answer
straight-through
question
Which of the following standards is typically used in a rollover cable? RJ-11 RS-232 RG-6 RG-58
answer
RS-232
question
Which of the following connectors is typically used on one end of a rollover cable? ST SC F-Type Serial BNC
answer
serial
question
you have two switches that you need to connect using their uplink ports. The switches don not support auto-MDI, what type of cable do you use
answer
Crossover
question
You need to transfer data from one laptop to another and would like to use an Ethernet cable. You do not have a hub or a switch. Which type of cable should you use?
answer
crossover
question
You want to create a rollover cable that has an RJ-45 connector on both ends. How should you connect the wires within the connectors?
answer
Connect pin 1 to pin8, pin 2 to pin 7, pin 3 to pin 6, pin 4 to pin 5
question
You want to connect the LAN port on a router to the uplin port on a switch. The switch does not support auto-MDI. Which type of cable should you use?
answer
crosssover
question
You have purchased a new router that you need to configure. You need to connect a workstation to the router's console port to complet the configuration tasks. Which type of cable would you most likely use?
answer
Rollover
question
Which of the following terms are often synonymous with or made possible with CIDR. select 2 OPSF CLASSLESS CLASSSFUL NAT VLSM
answer
Classless VLSM
question
Which of the following routing protocols is classified as a balance hybrid routing protocol? EIGRP RIP IS-IS OSPF
answer
EIGRP
question
A router is connected to network 192.168.1.0/24 and network 192.168.2.0/24. The router is configured to use RIP and has learned of networks 192.168.3.0/24 and 192.168.4.0/24. There is no default route configured on the router. The router receives a packet addressed to network 10.1.0.0/16. What will the router do with the packet?
answer
Drop the packet.
question
You have a network configured to use OSPF routing protocol. Which of the following describes the state when all OSPF routers have learned about all other routes in the network?
answer
Convergence
question
Which of the following of RIP is true? -RiP is suitable for large networks -RIP uses hop counts as the cost metric -RIP is a link state routing protocol. -RIP is the routing protocol used on the Internet
answer
RIP uses hop count as the cost metric
question
Which of the folowing routing protocols divides the network into areas with all networks required to have an area 0 EIGRP OSPF RIP IS-IS
answer
OSPF
question
Under which of the following circumstances might you implement BGP on your company network and share routes with Internet router?
answer
It the network is connected to the Internet using multiple ISPs
question
What are the main differences between the OSPF and IS-IS routing protocols?
answer
OSPF requires an area 0, while IS-IS does not
question
Which of the following best describes OSPF? -OSPF is a classful distance vector routing protocol -OSPF is a classless lin-state routing protocol. OSPF is a classless distance vector routing protocol. OSPF is a classful link-state routing protocol.
answer
OSPF is a classless link-state routing protocol.
question
You have a private network connected to the Internet. Your routers will not share routing information about your private network with Internet routers. Which of the following best describes the type of routing protocol you would use? Distance vector IGP Static BGP Link state Dynamic
answer
IGP
question
Explain the purpose and properties of routing and switching
answer
The first router in the path to the destination network
question
You manage a server that uses an IP address of 192.168.255.188 with a mask of 255.255.0.0. Which of the following describes the address type? Classful public multicast broadcast classless
answer
classless
question
Which of the following is a characteristic of static routing when compared to dynamic routing?
answer
all routes must be manually updated on the router
question
A router connected the network 192.168.1.0/24 and network 192.168.2.0/24. The router is configured to use RIP and has learned of networks 192.168.3.0/24 and 192.168/4/0/24. The next hop router for the network 192.168.3.0 has changed. you need to make the change with the least amount of effort. What should you do?
answer
Wait for convergence to take place.
question
What is the main difference between RIP and RIPv2?
answer
RIP is a classful protocol, while RIPv2 is a classless protocol.
question
Which of the following protocols has a limit of 15 hops between any two networks?
answer
RIP
question
You have a router configured to share routing information using RIP. In addition, you have a single static route that identifies a default route for all other networks. The next hop router for the default route has changed. You need to make the change with the least amount of effort possible. What should you do?
answer
manually reconfigure the default route to point to the new next hop router
question
Which of the following routing protocols are classified as link state routing protocols. select 2 IS-IS EIGRP RIPv2 RIP OSPF
answer
OSPF IS-IS
question
What routing protocol is used by routers on the internet for learning and sharing routes?
answer
BGP
question
A router is connected to network192.168.1.0/24 and network 192.168.2.0/24. The router is configured to use RIP and has learned of networks 192.168.3.0/24 and 192.168/4/0/24. The router is also configured with a static route of 0.0.0.0 with a mask of 0.0.0.0. The router receives a packet address to network 10.1.0.0/16.
answer
Forward the packet to the next hop router specified by the route to network 0.0.0.0
question
You need to enable hosts on your network to find the IP address of logical names such as srv1.myserver.com. What device would you use?
answer
DNS server
question
You want to implement a protocol on your network that allows computers to find the IP address of a host from a logical name. What protocol should you implement?
answer
DNS
question
What best describes the purpose of using subnets?
answer
Subnets divide an IP network address into multiple network addresses
question
In an IP addressing scheme using default subnet masks, which of the following IP addresses can you assign to a host? 132.70.254.15 127.0.0.1 199.45.207.0
answer
132.70.254.15
question
Your network has been assigned the Class B network address of 179.113.0.0. Which three of the following addresses can be assigned to hosts on your network? 180.113.0.67 179.113.89.0 179.113.0.117 179.113.65.12 179.112.95.64
answer
179.113.89.0 179.113.0.117 179.113.65.12
question
What is the default subnet mask for the IP address 203.111.3.37
answer
255.255.255.0
question
What is the last IP address that can be assigned to hosts on the 166.70.0.0
answer
166.70.254.255
question
A host on the network has an IP address of 129.11.99.78 using the default subnet mask. How would you identify the address and mask using CIDR notation
answer
129.11.99.78/16
question
Which of the following IP addresses have a default subnet mask of 255.255.0.0? pick all that apply 129.0.0.1 228.23.45.0.1 123.254.19.6 191.168.2.15 168.45.68.1
answer
129.0.0.1 191.168.2.15 168.45.68.1
question
Which thre3 is not a valid IP address? 129.0.0.272 228.23.450.0.1 365.254.19.6 191.168.2.15 168.45.68.1
answer
129.0.0.272 228.23.450.0.1 365.254.19.6
question
Which three are class C addresses? 222.0.0.272 192.23.45.0.1 165.254.19.6 223.168.2.15 168.45.68.1
answer
222.0.0.272 192.23.45.0.1 223.168.2.15
question
Your network has been assigned the Class B address of 130.15.0.0 Which of the following is not an address you can assign to a node on your network? 130.15.0.1 130.16.3.89 130.15.60.0
answer
130.16.3.89
question
You manage a subnet that uses the following subnet address: 1987.162.1.0/23. What best describes how addressing is configured for the subnet?
answer
Supernetting
question
What is the binary format for the following decimal IP address? 131.9.202.111
answer
100000011.00001001.11001010.01101111
question
What is the last IP address that can be assigned to hosts on the 211.70.0.0?
answer
211.70.0.254
question
What is the first IP address that can be assigned to hosts on the 166.70.0.0?
answer
166.70.0.1
question
A host has the address 100.55.177.99/16. What is the broadcast address for the subnet?
answer
100.55.255.255
question
What is not a reason to use subnets on a network?
answer
combine different media type on the same subnet
question
What is the network address and subnet mask used by APIPA
answer
169.254.0.0
question
Which two of the following statements about the dynamic host configuration protocol are true? -ADHCP server assigns addresses to requesting hosts -it is used only to deliver IP addresses to host -it cannot be configured to assign the same IP address to the same host each time it boots -It can deliver other configuration information in addition to IP addresses.
answer
ADHCP server assigns addresses to requesting hosts It can deliver other configuration information in addition to IP addresses.
question
What IP address ranges is reserved for Automatic Private IP Addressing
answer
169.254.0.1--169.254.255.254
question
You have a network with 50 workstations. You want to automatically configure workstations with the IP address, subnet mask, and default gateway values What device should you used
answer
DHCP server
question
You have a TCP/IP network with 50 hosts. There have been inconsistent communication problems between host. You run protocol analyzer and discover that two hosts have the same IP address assigned. What protocol can you implement on your network to help prevent problems such as this?
answer
DHCP Dynamic Host Configuration Protocol
question
Which of the following strategies are used to prevent duplicate IP addresses being used on a network?
answer
Install a DHCP server on the network Use automatic private IP addressing
question
You have a computer that is connected to the Internet through a NAT router. You want to use a private addressing scheme for your computer. Which of the following IP addressess could you assign to the computer? 127.0.0.1 10.0.12.15 240.12.188.1 32.188.99.10 192.168.12.253 172.18.188.67
answer
192.168.12.253 172.18.188.67 10.0.12.15
question
Which of the following is not one of the ranges of IP addresses defined in RFC 1918 that are commonly used behind a NAT server? 172.16.0.1-172.31.255.254 169.254.0.1-169.254.255.254 10.0.0.1-10.255.255.254
answer
169.254.0.1-169.254.255.254
question
Which of the following associates a port number with a host on a private network? VLSM PAT NAT CIDR
answer
PAT
question
Which of the following IP addresses is a valid IP address for a host on a public network? 172.18.188.67 10.0.12.15 142.15.6.1
answer
142.15.6.1
question
you have a small network at home that is connected to the internet. On you home network you have a server with the IP address of 192.168.55.199/16. You have a single o]public address that is shared by all hosts on your private network. You want to configure the server as a Web server and allow internet hosts to contact the server to browse a personal web sit What should you use to allow access?
answer
Static NAT
question
Your computer has an IP address of 161.13.5.15. Your computer is on a
answer
Public network
question
you have a small network at home that is connected to the Internet. On your home network you have a serve with the IP address of 192.168.55.199/16. All computers on your home network can connect to the Internet. From your work office, you try to access your home computer using its IP address, but are unable to communicate with The server. You are able to connect to other hosts on the internet. Why can't you access the server?
answer
Private addresses are not accessible through the Internet.
question
Which organization is responsible for allocating public IP addresses?
answer
IANA
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