Chapter 4

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Suppose your computer's IP address is 155.61.9.188, and your network administrator has not subnetted the network to which you're connected. What is your computers subnet mask?

B. 255.255.255.0

Before you connect to your office network, you want to verify that your workstations's TCP/IPv6 protocols are functioning. Which of the following addresses do you ping?

A .. .. 1

Which of the following IP Addresses might have been assigned by APIPA?

A. 169.180.23.5

How many bytes are used for an IPv4 address?

A. 4

What devices are the highest authorities in the domain name system hierarchy?

A. Root Servers

What is the function of ARP?

A. To acknowledge that a data frame was received

Suppose you send data to an address that begins with the Format Prefix FF0E on a network running IPv6. To what device(s) are you transmitting?

B. All devices that are reachable

At a minimum what fields would you find in a hosts file?

B. IP address and host name

You issue a transmission from your workstation to the following socket address on your LAN: 10.1.1.145:110. Assuming your network uses standard port designations, what application layer protocol are you using?

B. POP

Which of the following applications would be best suited to multicasting?

B. Participating in a company-wide videoconference via the internet.

You have just set up a new wireless network in your house, and you want to determine whether your Linux laptop has connected to it and obtained a valid IP address. Which of the following commands will allow you to find the info you need?

B. ifconfig -a

Suppose you send data to the 11111111 11111111 11111111 11111111 IP Address on an IPv4 network. To what device(s) are you transmitting

C. All devices on your network segment

Suppose you have a workstation that uses the IP Address 203.12.176.55 on a traditional IPv4 network. To what network class does the workstation belong?

C. C

What field in an IPv4 packet can be used to indicate that a packet should be routed before any other packages?

C. Differentiated Services Field

What happens to an IPv6 packet when its hop limit reaches 0

C. It is discarded

If you are connected to a network that uses DHCP, and you need to terminate your Windows workstation's DHCP lease, which of the following commands would you use?

C. ipconfig /release

Which of the following DNS records identifies a mail server?

C. mail1 IN MX 178.99.201.12

On a client/server network running TCP/IPv4, what computer initiates the process of assigning an IP address through DHCP?

D. The Client

Which of the following occurs at the Network Interface layer of the TCP/IP model?

D. signaling


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