A+ 901 Ch. 8 Review – Flashcards

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question
How many bits are in a MAC address?
answer
48
question
How many bits are in an IPv4 address? In an IPv6?
answer
32; 128
question
How does a client application identify a server application on another computer on the network?
answer
Port number
question
What are IP addresses called that begin with10, 172.16, or 192.168?
answer
Private IP addresses
question
Describe the difference between public and private IPv4 addresses. If a network is using private IP addresses how can the computers on that network access the internet?
answer
Public IP addresses are available on the internet, and private IP addresses are not; A router substitutes the private IP address with its own public IP address.
question
Why is it unlikely that you will find the IP address 192.168.250.10 on the internet?
answer
It is a private IP address
question
If no DHCP server is available when a computer configured for dynamic IP addressing connects to the network, what type of IPv4 address is assigned to the computer?
answer
An Automatic Private IP Address
question
If a computer is found to have an IP address of 169.254.1.1, what can you assume about how it received that IP address?
answer
It was unable to lease an IP address from the DHCP server
question
What are the last 64 bits of an IPv6 address called? How are these bits used?
answer
Interface ID
question
Name two tunneling protocols that are used for IPv6 packets to travel over an IPv4 network?
answer
ISATAP, 6TO4
question
How is an IPv6 address used that begin with 2000::? That begins with FE80::?
answer
2000:: global address can be routed on the internet, these addresses are similar to IPv4 public IP addresses. FE80:: use for communicating with nodes in the same link
question
How many bits are in the subnet ID block? What are the values of these bits for a link-local IP address?
answer
16 bits per block
question
What type of IPv6 address is used to create multiple subnets within multiple organizations?
answer
Unicast address
question
What type of server serves up IP addresses for computers on a network?
answer
DHCP (Dynamic Host Configuration Protocol) Servers.
question
What TCP/IP protocol that manages packet delivery, guarantees that delivery? Which protocol doesn't guarantee the delivery, but is faster?
answer
VPN
question
At what port does an SMTP email server listen to receive email from a client computer?
answer
Port 25.
question
Which protocol does a web server use when transmissions are encrypted for security?
answer
HTTP
question
What type of server resolves fully qualified domain names to IP addresses?
answer
DNS server
question
Which email protocols allow a client application to manage email stored on an email server?
answer
POP, IMAP
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What technology is used to present a public IP address to computers outside the LAN to handle requests to use the internet from computers inside the LAN?
answer
Network Address Translation
question
What protocol is used when an application queries a database on a corporate network such as a database of printers?
answer
LDAP (lightweight directory access protocol)
question
What type of encryption protocol does SFTP use to secure FTP transmissions?
answer
Secure Shell Protocol.
question
What two windows application use the RDP protocol and port 3389?
answer
Remote Desktop Server Application & Skype
question
What versions of the 802.11 technologies can use multiple antennas at both the access point and the network adapter?
answer
802.11n
question
Which wireless encryption standard is stronger, WEP or WPA?
answer
WPA
question
When securing a Wi-Fi wireless network, which is considered better security: to filter MAC addresses, use encryption, or not broadcast the SSID?
answer
Encryption
question
Would you expect WPS to be used when a wireless network is using strong security, weak security, or no security?
answer
Strong
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