Computer Networking solved questions

Question: The IP address 2001:0db8:85a3:0000:0000:8a2e:0370:7334 is written in dotted decimal notation as

Answer Choices:
192.234.168.206
192.234.172.206
137.237.168.195
137.247.170.193

Answer: None of the above (the IP address is IPv6 and cannot be represented in dotted decimal notation which is used for IPv4)

Question: The window size field in TCP specifies the:

Answer Choices:
Amount of data the receiver is capable of processing
Amount of data the sender is capable of processing
Sequence number of the last received datagram
Size of the window in the data center where the sender is located

Answer: Amount of data the receiver is capable of processing

Question: The basic unit of Internet routing is:

Answer Choices:
A switch
A router
An autonomous system
A host

Answer: A router

Question: A forwarding equivalence class is:

Answer Choices:
A new label to treat all references to equivalent web traffic
A new kind of address class used in large networks
None of the above
A group of IP packets treated similarly in the network

Answer: A group of IP packets treated similarly in the network

Question: All of the following are RFC 1918 address blocks except:

Answer Choices:
118.70.8/24
192.168.0.16
10.0.0.0/8
172.16.0.0/12

Answer: 118.70.8/24

Question: The advantage(s) of using two different addresses on a computer (MAC address and IP address) include:

Answer: All of the above

Question: Routers connect:

Answer Choices:
Two or more networks
Two or more users
Two or more hosts
Two or more applications

Answer: Two or more networks

Question: The session layer in the OSI model is responsible for:

Answer Choices:
Specifying end user needs
Creating and terminating connections
Error control

Answer: Creating and terminating connections

Question: A router is responsible for forwarding data packets to:

Answer Choices:
A suitable neighboring router
Any neighboring router
The final destination
None of the above

Answer: A suitable neighboring router

Question: If an organization has a subnet mask of 255.255.252.0, each subnet in the organization can have at most ______ hosts.

Answer Choices:
1,024
512
2,048
256

Answer: 1,024

Question: Routing protocols are the mechanisms used by routers to:

Answer Choices:
Maintain routing tables
Deliver data over the cables
Resolve host names to IP addresses
Speed up routing

Answer: Maintain routing tables

Question: The most popular exterior routing protocol is:

Answer Choices:
Dynamic host control protocol (DHCP)
Open shortest path first protocol (OSPF)
Address resolution protocol (ARP)
Border gateway protocol (BGP)

Answer: Border gateway protocol (BGP)

Question: A Signal is:

Answer Choices:
Cables connecting networked locations.
Detectable transmitted energy that can be used to carry information.
Converting data to signals for transmission over physical media.
Information added to data to remove errors.

Answer: Detectable transmitted energy that can be used to carry information.

Question: In manual allocation, IP addresses are assigned by DHCP:

Answer Choices:
Manually and forever on a per-host basis
None of the above
Automatically and for a short period, based on a first-come-first-serve basis, from a pool of addresses
Automatically and forever, based on a first-come-first-serve basis, from a pool of addresses

Answer: Manually and forever on a per-host basis

Question: In exterior routing protocols, routers typically exchange routing information with:

Answer Choices:
Only the neighboring routers
Only routers within the AS
None of the above
All routers on the network

Answer: Only routers within the AS

Question: Two devices from the same home send connection requests to the same web page. To distinguish between these requests, we can use:

Answer Choices:
Source IP and MAC addresses
Source IP address and sequence number
Source IP and port addresses
Require change in initiating sequence number

Answer: Source IP and port addresses

Question: Packetization is the process of:

Answer Choices:
Sending letters to friends
Sending user data over networks
Communicating between computer applications

Answer: Sending user data over networks