question

Which of the following are advantages of using fiber optic cabling for a network, as opposed to other types of cabling? (select two)

answer

1) Immunity to electromagnetic interference 2) Greater cable distances without a repeater

question

You have been asked to implement a network infrastructure that will accommodate failed connections. Which of the following network typologies provide redundancy for a failed link?

answer

Mesh

question

Which of the following network technologies is packaged as part of a BRI plan?

answer

ISDN

question

Which mechanisms could you use to resolve a hostname into its associated IP address? (select two)

answer

1) DNS 2) hosts file

question

A healthcare organization provides mobile clinics throughout the world and needs to transfer patient statistical data to a central database via the Internet. Which network technology should you select to ensure network connectivity for any clinic located anywhere in the world, even remote areas?

answer

Satellite

question

Which of the following is true of a network using the 1000Base-T standard? (select two)

answer

1) The network uses copper UTP cables 2) The network operates at one gigabit per second

question

Which of the following describes an IPv6 address? (select two)

answer

1) 128-bit address 2) Eight hexadecimal quartets

question

Which of the following is not one of the ranges of IP addresses defines in RFC 1918 that are commonly used behind a NAT server?

answer

169.254.0.1 - 169.254.255.254

question

You want to implement a fault tolerant topology as you interconnect routers on your wide area network. Which of the following would meet your needs?

answer

Mesh

question

You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable. You need to use the T568A standard to connect the individual wires to the connector. Which wire should be connected to pin 1?

answer

Green with white

question

Which of the following are not valid IP addresses? (select three)

answer

1) 145.8.260.7 2) 257.0.122.55 3) 45.22.156.256

question

When configuring an ADSL installation, where should you to install the DSL filters?

answer

On connections leading to an analog phone

question

Which of the following measures will make your wireless network less visible to the casual attacker performing war driving?

answer

Disable SSID broadcast

question

Which of the following are used to connect a cable modem to the Internet connection? (select two)

answer

1) RG-6 coaxial cable 2) F-type connectors

question

Which of the following terms refers to a network resource sharing model that uses access to control lists saved on each computer? (select two)

answer

1) Peer-to-peer 2) Workgroup

question

Which of the following protocols is used by an e-mail client to retrieve messages from an e-mail server and gives users the option to keep mail messages on the server?

answer

IMAP

question

A user calls to report that she is experiencing intermittent problems while accessing the wireless network from her laptop computer. While she normally works from her office, today she is trying to access the wireless network from a conference room which is across the hall and next to the elevator. What is the most likely cause of her connectivity problem?

answer

Interference is affecting the wireless signal

question

Which connector is used with unshielded twisted pair (UTP) cable?

answer

RJ-45

question

Which of the following protocols is non-routable and requires another protocol to enable internetwork communications?

answer

NetBOIS

question

In which of the following topologies does each device on the network act as a repeater, sending the signals to the next device?

answer

Ring

question

You've just finished installing a wireless access point from a client. Which action best protects the access point from unauthorized configuration settings?

answer

Changing the administrative password

question

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

You want to allow your users to download files from a server running the IP protocol. You want to protect access to the files by requiring user authentication to access specific directories on the server. Which IP protocol should you implement to provide this capability?

answer

FTP

question

Which data transmission rate is defined by the IEEE 802.11b wireless standard?

answer

11 Mbps

question

You have just signed up for a broadband home Internet service that uses coaxial cable. Which connector type will you most likely use?

answer

F-type

question

Which type of connector do you use to connect a modem to a standard telephone line?

answer

RJ-11

question

You need to attach an RJ-45 connector to the end of a Cat 6 UTP cable. Which tool should you use?

answer

Crimper

question

You need to add security for your wireless network. You would like to use the most secure method. Which method should you implement?

answer

WPA2

question

Which of the following topologies connects all devices to a trunk cable?

answer

Bus

question

Which of the following best describes how a switch functions?

answer

It connects multiple cable segments (or devices), and forwards frames to the appropriate segment

question

You need to place a wireless access point in your two-story building? While trying to avoid interference, which of the following is the best location for the access point?

answer

In the top floor

question

Which of the following features on a wireless network allows or rejects client connections based on the hardware address?

answer

MAC address filtering

question

You need to trace the route a Cat 6 UTP cable takes through the ceiling and walls of your building. Which tool should you use?

answer

Tone probe

question

Which of the following IP addresses are Class B addresses? (select three)

answer

1) 192.0.0.0 2) 190.65.2.0 3) 132.12.0.0

question

Which of the following are characteristics of the 802.11g wireless standard? (select three)

answer

1) Operates in the 2.4 GHz range 2) Maximum bandwidth of 54 Mbps 3) Backwards compatible with 802.11b devices

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 addresses could you assign to the computer? (select three)

answer

1) 192.168.12.253 2) 192.18.188.67 3) 10.0.12.15

question

Which of the following IP address ranges is reserved for Automatic Private IP Addressing?

answer

169.254.0.2 - 169.254.255.254

question

Which of the following applications is more likely to justify the investment in Category 6 cable?

answer

Streaming video

question

You have a network that uses a logical bus topology. How do messages travel through the network?

answer

Messages are broadcast to all devices connected to the network

question

On a wireless network that is employing WEP, which type of users are allowed to authenticate through the access points?

answer

Users with the correct WEP key

question

You are installing a satellite connection so your home office can connect to the Internet. Which of the following statement is true?

answer

The satellite dish must be pointed in the correct direction for communicating with the satellite

question

Which of the following best describes an IP address class?

answer

The class defines the default network address portion of the IP address

question

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 reached the destination device

question

Which of the following is true of a network using the 10Base-T standard? (select two)

answer

1) The maximum cable distance is 100 meters 2) The network operates at ten megabits per second

question

Which kind of connector do you use to connect a modem to a standard telephone line?

answer

RJ-11

question

Which type of network medium is used by an Integrated Services Digital Network (ISDN) adapter?

answer

Copper telephone wire

question

Which of the following is a rating of the amount of data that can be sent over a network in a period of time?

answer

Bandwidth

question

A user calls to report that she is experiencing intermittent problems while accessing the wireless network from her laptop computer. While talking to her, you discover that she is trying to work from the break room two floors above the floor where she normally works. What is the most likely cause of her connectivity problem?

answer

The user is out of the effective range of the wireless access point on her floor

question

Which IP protocol is used by Web browsers and Web servers to exchange files?

answer

HTTP

question

A host wants to send 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

question

You've just installed a wireless access point (AP) for your organization's network. You know that the radio signals used by the AP extend beyond your organization's building and are concerned that unauthorized users outside may be able to access your internal network. What can you do to protect the wireless network? (select two)

answer

1) Configure the AP to filter out unauthorized MAC addresses 2) Disable DHCP on the AP

question

Which of the following are characteristics of coaxial network cable? (select two)

answer

1) It uses two concentric metallic conductors 2) It has a conductor made from copper in the center of the cable

question

Which of the following terms describes a group of computers and users that utilize centralized resources, administration, and security settings? (select two)

answer

1) Domain 2) Directory

question

Which protocols are used on the Internet to transmit Web pages from Web browsers running on client workstations? (select two)

answer

1) HTTP 2) HTTPS

question

Which connector is used with unshielded twisted pair (UTP) cable?

answer

RJ-45

question

Which of the following are valid IPv6 addresses? (select two)

answer

1) 141:0:0:0:15:0:0:1 2) 6384:1319:7700:7631:446A:5511:8940:2552

question

Which of the following protocols carry phone calls over an IP-based network?

answer

VoIP

question

What type of cabling can be used for an Ethernet 100Base-T (100 Mbps) network? (select two)

answer

1) Cat 6 UTP 2) Cat 5 UTP

question

You are configuring an ADSL connection. Which of the following will be part of the configuration? (select two)

answer

1) Filters of splitters 2) RJ-11 connectors

question

You've enabled Remote Desktop on a Windows workstation. Which port must be opened in the server's firewall to allow remote clients to access the desktop?

answer

3389

question

Which network component connects a device to the transmission media and allows it to send and receive messages?

answer

Network interface card

question

You have just signed up for a broadband home Internet services that uses coaxial cable. Which connector type will you most likely use?

answer

F-type

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. What type of physical network topology has been implemented in this type of network?

answer

Mesh

question

You have an Ethernet network using the 10Base-T standard. Network devices are connected together using hubs. Which of the following is true?

answer

The network uses half-duplex communications

question

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 locations will contribute the greatest amount of interference for a wireless access point? (select two)

answer

1) Near backup generators 2) Near cordless phones

question

What is the least secure place to locate the access point when creating a wireless network?

answer

Near a window

question

Which of the following topologies connects each network device to a central hub?

answer

Star

question

You've just installed the DNS service on a Windows server. Which port must be opened in the server's firewall to allow clients to access the service?

answer

53

question

Which of the following is a wired networking method most commonly used today by desktop PCs and other network devices to connect to a local area network?

answer

Ethernet

question

Which tool in Windows would you use to browse all networks and shared folders to which a user has access? (select three)

answer

1) Network 2) Computer 3) Windows Explorer

question

Which service can you use on your network to automatically assign IP addresses to hosts and to help prevent the same address from being assigned to two different hosts?

answer

DHCP

question

Which wireless standard operates at up to 54 Mbps to a maximum of 150 feet?

answer

802.11a

question

Which of the following is a valid IPv6 address?

answer

FEC0::AB:9007

question

You need to connect the end of a Cat UTP cable to a 100 punch down block. Which tool should you use?

answer

Punchdown tool

question

You want to use your Windows workstation to browse the web sites on the Internet. You use a broadband DSL connection to access the Internet. Which network protocol must be installed on your workstation to do this?

answer

IP

question

Which of the following is a valid MAC address?

answer

C0-34-FF-15-01-8E

question

Which of the following IP addresses have a default subnet mask of 255.255.0.0 (select three)

answer

1) 168.16.5.1 2) 129.0.0.1 3) 191.168.2.15

question

What device is used to create a physical star topology?

answer

Switch

question

Which of the following are characteristics of coaxial network cable? (select two)

answer

1) It uses two concentric metallic conductors 2) It has a conductor made from copper in the center of the cable

question

You are setting up a small network in your office with one Windows server and 50 Windows workstation. You want to spend as little time as possible configuring the workstations with IP addressing information. What should you do?

answer

Install the DHCP service on your server

question

You are installing networking cable in the air space between the ceiling and the roof of a building. Which type of cabling should you use?

answer

Plenum

question

Which of the following is used on a wireless network to identify the network name?

answer

SSID

question

Which of the following is true when the DHCP setting is disabled in a wireless network?

answer

Wireless clients must use a static IP address within the correct IP address range to connect to the network

question

Which of the following IP addresses are Class C addresses? (select three)

answer

1) 223.16.5.0 2) 222.55.0.0 3) 192.15.5.55

question

Your network follows the 1000Base-T specifications for Gigabit Ethernet. What is the maximum cable segment length allowed?

answer

100 meters

question

You've used your Windows workstation to map a drive to a shared folder on a Windows server. Which protocol was used to access the share?

answer

SMB

question

Which network type uses light pulses to transmit data?

answer

Fiber optic

question

Which of the following is the best definition for a LAN?

answer

A network in a small geographic area, like in an office

question

Which of the following are security protocols for wireless networks? (select two)

answer

1) WEP 2) WPA

question

What type of network describes a workgroup?

answer

Peer-to-peer network

question

Which of the following correctly describe the most common format for expressing IPv6 addresses? (select two)

answer

1) Hexadecimal numbers 2) 32 numbers, grouped using colons

question

Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents?

answer

Hub

question

Which of the following recommendations should you follow when placing access points to provide wireless access for users within your company building?

answer

Place access points above where most clients are

question

Which of the following features is supplied by WPA2 on a wireless network?

answer

Encryption

question

Which of the following statements accurately describes how a modem works? (select two)

answer

1) It demodulates analog data from a telephone network into digital PC data 2) It modulates digital data from the PC into analog data and transmits it on a telephone network

question

You have a small network that uses a hub to connect multiple devices. What physical topology is used?

answer

Star

question

Which type of configuration would you use if you wanted to deploy 802.11n technology to communicate directly between two computers using a wireless connection?

answer

Ad hoc

question

Which of the following IP addresses belong to the Class A network 114.0.0.0? (select three.) Tip: Assume the network is indicated by the default portion of the IP address

answer

1) 114.0.0.15 2) 114.122.66.12 3) 114.58.12.0

question

What is the default subnet mask for the IP address 203.111.3.3?

answer

255.255.255.0

question

What is a major benefit of STP over UTP?

answer

Greater resistance to interference

question

You recently installed a small office home office wireless router. To avoid security holes and bugs, what should you do to the route?

answer

Update the firmware

question

You are talking with a customer support technician on the telephone. The technician recommends downloading a particular driver from Internet. When you try to connect to the Internet using your modem, you can't What is the problem?

answer

You need to hang up

question

You are designing a wireless network for a client. Your client needs the network to support a data rate of at least 150 Mbps. In addition, the client already has a wireless telephone system installed that operates 2.4 GHz. Which 802.11 standard will work best in the situation?

answer

802.11n

question

Which tool would you use in Windows Vista/7 to manage network connections?

answer

Network and Sharing Center

question

You are a software developer and you are creating a multimedia streaming application. Data will be streamed from your streaming server to streaming clients over IP networks. Which transport protocol should your application use to send data between the clients and the server?

answer

UDP

question

What protocol is used to send e-mail messages from a mail client to a mail server?

answer

SMTP

question

A user on your network has been moved to another office down the hall. After the move she calls you complaining that she has only occasional network access through her wireless connection. Which of the following is most likely the case of the problem?

answer

The client system has moved too far away from the access point

question

You want to implement name resolution on the Linux workstations in your company. Which protocol will you use to do this?

answer

DNS

question

Which of the following statements about the Dynamic Host Configuration Protocol (DHCP) are true? (select two)

answer

1) It can deliver a DNS server address in addition to the host IP address 2) A workstation must request addressing information from a DHCP server

question

You are troubleshooting network connections on a Windows workstation and you want to view a list of connections on the computer. How can you do this? (select two)

answer

1) On the Start menu, click Control panel, then click Network and Internet 2) On the Start menu, right-click Network and select Properties

question

Which IEEE wireless standards specify transmission speeds up to 54 Mbps? (select two)

answer

1) 802.11g 2) 802.11a

question

Which of the following are advantages of using a domain to manage a network? (select two)

answer

1) Centralized administration 2) Scalability

question

Which of the following are features of Basic Rate ISDN (BRI)? (select three)

answer

1) Dial-up connection 2) Two data channels 3) One control channel

question

What type of cabling could be used for an Ethernet 100BaseT (100 Mbps) network? (select two)

answer

1) Cat 6 UTP 2) Cat 5 UTP

question

Which actions allow you to access the Internet on your laptop via a cellular network?

answer

Install a cellular USB adapter in a open port on the laptop

question

A customer has called an indicated that he thinks his neighbor is connecting to his wireless access point (AP) to use his high-speed Internet connection. Which of the following will help resolve this issue? (select two)

answer

1) Disable SSID broadcast on the AP 2) Implement WPA2

question

Which of the following topologies connects each device to a neighboring device?

answer

Ring

question

Which of the following protocols do e-mail clients use to download messages from a remote mail server?

answer

POP3

question

Which TCP/IP configuration parameter identifies the router that is used to reach hosts on remote networks?

answer

Default gatway

question

Which of the following are good reasons to enable NAT?

answer

To translate between Internet IP addresses and the IP addresses on your private network

question

Which of the following LAN devices receives a signal on one port, and the forwards that signal only to the port where the destination device is connected?

answer

Switch

question

Which of the following is a valid IP address? (select two)

answer

1) 2.2.2.2 2) 172.16.1.26

question

To access the Internet through the Publicly Switched Telephone Network (PSTN), what kind of connectivity device must you use?

answer

Modem

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