Networking Fundamental Online Objective Question Set 2

QN1: Put the following in the correct order, from high to low: session (a), presentation (b), physical (c), data link (d), network (e), application (f), transport (g).

a) c, d, e, g, a, b, f

b) f, a, b, g, d, e, c

c) f, b, g, a, e, d, c

d) f, b, a, g, e, d, c

Answer

Answer: d) f, b, a, g, e, d, c

QN2: The______layer provides for hardware addressing.

a) Transport

b) Network

c) Data link

d) Physical

Answer

Answer: c) Data link

QN3: Which component of the data link layer for IEEE specifies network protocols?

a) LLC

b) MAC

c) 802.5

d) 802.3

Answer

Answer: a) LLC

QN4: The network layer solves all of the following problems except______.

a) Broadcast problems

b) Conversion between media types

c) Hierarchy through the use of physical addresses

d) Collision problems

Answer

Answer: c) Hierarchy through the use of physical addresses

QN5: Connection multiplexing is done through the use of a______number.

a) Socket

b) Hardware

c) Network

d) Session

Answer

Answer: a) Socket

QN6: Reliable connections go through a three-way handshake. Place the following in the correct order:

ACK (1), SYN, (2), SYN/ACK (3).

a) 2,1,3

b) 3,2,1

c) 2,3,1

d) 1,2,3

Answer

Answer: c) 2,3,1

QN7:________describe(s) users working from home.

a) SOHO

b) Branch office

c) Regional office

d) Corporate office

Answer

Answer: a) SOHO

QN8:________has a physical star topology but a logical ring topology

a) Ethernet

b) FDDI

c) Token Ring

d) FDDI and Token Ring

Answer

Answer: c) Token Ring

QN9: A ____ uses Gigabit Ethernet as a media type

A. WAN

B. LAN

C. MAN

D. LAN and MAN

Answer

Answer: B. LAN

QN10: The TCP/IP protocol stack has_______layers.

a) 4

b) 5

c) 6

d) 7

Answer

Answer: a) 4

QN11: A Class A address has_____host bits.

a) 8

b) 16

c) 20

d) 24

Answer

Answer: d) 24

QN12: 191.75.39.24 is a Class___address.

a) A

b) B

c) C

d) None of the above

Answer

Answer: b) B

QN13: Which of the following is a valid subnet mask value?

a) 255.0.255.255

b) 0.0.0.255

c) 255.255.254.0

d) 255.255.255.256

Answer

Answer: c) 255.255.254.0

QN14: You are given a Class C network with 25 bits of networking. How many subnets do you have?

a) 1

b) 2

c) 3

d) 4

Answer

Answer: b) 2

QN15: You are given a Class B network with a subnet mask of 255.255.255.192. How many host addresses are there on each subnet?

a) 30

b) 62

c) 126

d) 254

Answer

Answer: b) 62

QN16: You are given the following addressing information: 192.168.37.192/25. What type of address is this?

a) Network

b) Directed broadcast

c) Host

Answer

Answer: c) Host

QN17: When choosing a networking product, you should consider all of the following except .

a) Ease of installation and support

b) Product features and functions

c) Backplane capacity

d) Amount of memory

Answer

Answer: a) Ease of installation and support

QN18: When connecting a router to a PC, use a_____cable.

A. Crossover

B. Straight-through

C. Rollover

Answer

Answer: C. Rollover

QN19: With_______switching, the switch reads the destination MAC address of the frame and immediately starts forwarding the frame.

A. Store-and-forward

B. Cut-through

C. Fragment-free

D. Runtless

Answer

Answer: B. Cut-through

QN20: Which type of traffic is sent to a group of devices?

A. Multicast

B. Unicast

C. Broadcast

D. Groupcast

Answer

Answer: A. Multicast

QN21: What subnet mask would you use to set up a default route?

A. 0.0.0.0

B. 255.255.255.255

C. Depends on the type of network number

D. None of these answers

Answer

Answer: A. 0.0.0.0

QN22: When choosing a dynamic routing protocol, which of the following should not be considered?

A. Metrics used

B. How routing information is shared

C. How routing information is processed

D. Number of PCs in the network

Answer

Answer: D. Number of PCs in the network

QN23: A routing protocol will use a(n)______to determine which path is the best path.

a. Administrative distance

b. Metric

c. Hop count

d. cost

Answer

Answer: b. Metric

QN24: Which type of routing protocol uses the Shortest Path First algorithm?

A. Distance vector

B. Link state

C. Hybrid

Answer

Answer: B. Link state

QN25: What command activates the IP routing process?

A. router

B. enable

C. network

D. no shutdown

Answer

Answer: A. router

QN26: RIP has a maximum hop count of________hops.

A. 10

B. 15

C. 16

D. 100

Answer

Answer: B. 15

QN27: Which of the following is false concerning OSPF?

A. It provides a loop-free topology.

B. It is a classful protocol and allows for a hierarchical design.

C. It requires more memory and processing cycles than distance vector protocols.

D. It is complex to configure and difficult to troubleshoot.

Answer

Answer: B. It is a classful protocol and allows for a hierarchical design.

QN28: The OSPF process ID is___.

A. Locally significant and is the router ID

B. Globally significant and must be configured on every router

C. Locally significant

D. OSPF doesn’t use a process ID, but an AS number

Answer

Answer: C. Locally significant

QN29: An OSPF’s router ID is based on________.

A. The lowest IP address on its loopback interface, if configured, or the lowest IP address on its active interfaces

B. The highest IP address on its loopback interface, if configured, or the highest IP address on its active interfaces

C. The highest IP address on its active interfaces, if configured, or the highest IP address on its loopback interfaces

D. The lowest IP address on its active interfaces, if configured, or the lowest IP address on its loopback interfaces

Answer

Answer: B. The highest IP address on its loopback interface, if configured, or the highest IP address on its active interfaces

QN30: You are given a Class C network, 192.168.1.0/24. You need one network with 120 hosts and three networks with 60 hosts. What subnet mask values would you use?

A. 255.255.255.128 and 255.255.255.192

B. 255.255.255.128

C. 255.255.255.192

D None of these

Answer

Answer: D None of these

QN31: Which of the following is a private address?

A. 192.169.7.17

B. 172.32.28.39

C. 10.1.256.8

E. 172.16.255.89

Answer

Answer: E. 172.16.255.89

QN32: Which of the following reasons might you need to use address translation?

A. You have to use public addressing because your ISP didn’t assign you enough private addresses.

B. You are using private addresses but have changed ISPs, and your new ISP won’t support these private addresses.

C. You want to assign the same IP address to multiple machines so that users on the Internet see this offered service as a single logical computer.

D. You are merging two companies that use different address spaces.

Answer

Answer: C. You want to assign the same IP address to multiple machines so that users on the Internet see this offered service as a single logical computer.