Chapter 6

Question 1

How many bits in length is an IPv4 address?

16 bits

32 bits

64 bits

128 bits

Answer 1

32 bits

Question 2

Which IPv4 IP class provides for 126 unique networks, each having up to 16,777,214 hosts?

Class A

Class B

Class C

Class D

Answer 2

Class A

Question 3

The Windows operating system supports three name-resolution systems. Which of the following is not a name-resolution system?

Domain Name System (DNS)

Address Resolution Protocol (ARP)

Windows Internet Name Service (WINS)

Link Local Multicast Name Resolution (LLMNR)

Answer 3

Address Resolution Protocol (ARP)

Question 4

Which of the following would be considered a second-level domain?

.com

microsoft.com

data. contoso.com
east. microsoft.com

Answer 4

microsoft.com

Second-level domains include a top-level domain (.com, .org, etc.) and a unique name within that top-level domain (microsoft.com, consoto.org, etc.).

Question 5

When would an LLMNR client use LLMNR instead of other forms of name resolution?

Only when the primary DNS server is unreachable

Only when an APIPA IP address is configured

Only when the primary and secondary DNS servers are unreachable

Only at boot to map the network for nearby IPv6 computers

Answer 5

Only when the primary and secondary DNS servers are unreachable

An LLMNR client tries to reach its primary and secondary DNS servers and fails over to LLMNR only if it cannot locate them. It then uses a multicast message for the name it is trying to resolve.

Question 6

Which troubleshooting utility allows the generating of DNS request messages and the transmission of them to specific DNS servers on the network?

tracert

pathping

netstat

nslookup

Answer 6

nslookup

Question 7

Which command is used to determine the route a packet takes?

nslookup

route

tracert

ping

Answer 7

trace rt

Question 8

Which of the following features searches for other devices on the network and allows other computers and devices on the same network to find your Windows-based computer or device?

Stateful address configuration

Public folder sharing

HomeGroup

Network discovery

Answer 8

Network discovery

Question 9

Which WPA mode of operation uses a session key that is changed each time the wireless client communicates with the AP?

v2 mode

Enterprise mode

Secure mode

Session mode

Answer 9

Enterprise mode

Question 10

Which IEEE standard for 802.11 networks uses RADIUS for authentication and provides key management?

802. 11i
803. 11g
804. 11n
805. 1x

Answer 10

802.1x