Unit 3

25 July 2022
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10 test answers

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question
When your computer first joins an IPv6 network, what is the prefix of the IPv6 address the computer first configures for itself?
answer
FE80::/10
question
If you are connected to a network that uses DHCP, and you need to terminate your Windows workstation's DHCP lease, which command would you use?
answer
ipconfig /release
question
Suppose you send data to the 11111111 11111111 11111111 11111111 IP address on an IPv4 network. To which device(s) are you transmitting?
answer
All devices on your local network
question
You have just brought online a new secondary DNS server and notice your network-monitoring software reports a significant increase in network traffic. Which two hosts on your network are likely to be causing the increased traffic and why?
answer
The secondary and primary DNS servers, because the secondary server is requesting zone transfers from the primary server
question
Which of these commands is available only in Linux?
answer
dig
question
What type of device does a computer turn to first when attempting to make contact with a host with a known IP address on another network?
answer
Default Gateway
question
Which computers are the highest authorities in the Domain Name System hierarchy?
answer
Root servers
question
Which type of DNS record identifies an email server?
answer
MX Record
question
Which part of a MAC address is unique to each manufacturer?
answer
The OUI
question
What decimal number corresponds to the binary number 11111111?
answer
255