Questions and answers

Operating systems and networks - Set 1

All questions and answers from this set. Test your networks and operating systems knowledge.
Questions: 124 Played: 3283 times
Question 31
What information is added during encapsulation at OSI Layer 3?
source and destination IP address
Question 32
What are two services provided by the OSI network layer? (Choose two.)
encapsulating PDUs from the transport layer
routing packets toward the destination
Question 33
Refer to the exhibit. The network administrator for a small advertising company has chosen to use the 192.168.5.96/27 network for internal LAN addressing. As shown in the exhibit, a static IP address is assigned to the company web server. However, the web server cannot access the Internet. The administrator verifies that local workstations with IP addresses that are assigned by a DHCP server can access the Internet, and the web server is able to ping local workstations. Which component is incorrectly configured?
pytanie 33
Question 34
Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask?
to identify the network address of the destination network
Question 35
What are two functions of NVRAM? (Choose two.)
to retain contents when power is removed
to store the startup configuration file
Question 36
Refer to the exhibit. What will be the result of entering this configuration the next time a network administrator connects a console cable to the router and no additional commands have been entered?
pytanie 36
Question 37
What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?
203.0.113.211
Question 38
What are three characteristics of multicast transmission? (Choose three.)
A single packet can be sent to a group of hosts.
Multicast transmission can be used by routers to exchange routing information.
Routers will not forward multicast addresses in the range of 224.0.0.0 to 224.0.0.255
Question 39
What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.)
10.0.0.0/8
172.16.0.0/12
192.168.0.0/16
Question 40
What purpose does NAT64 serve in IPv6?
It converts IPv6 packets into IPv4 packets.
Question 41
What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?
2001:0:0:abcd::1
Question 42
Which range of link-local addresses can be assigned to an IPv6-enabled interface?
FE80::/10
Question 43
Which three addresses are valid public addresses? (Choose three.)
198.133.219.17
128.107.12.117
64.104.78.227
Question 44
Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)
pytanie 44
Question 45
What type of IPv6 address is FE80::1?
link-local