Question 1:

 

If 4 hosts are connected to a hub how many IP addresses are required for these 5 devices?

   one

   two

   four

   five

 

Question 2:

When creating a network from just two PCs, what kind of cable would be used to directly connect them?

   fiber optic cable

   standard UTP cable

   UTP rollover cable

   UTP crossover cable

 

Question 3:

At which OSI layer does a repeater function?

   1

   2

   3

   4

 

Question 4:

Which material is used for network media?

   switch

   hub

   router

   fiber

 

Question 5:

What is a type of logical topology?

   star

   hierarchical

   mesh

   token passing

 

Question 6:

What data units are associated with OSI Layer 1?

   bits

   frames

   packets

   segments

 

Question 7:

What is the purpose of a repeater?

   connects a LAN to a WAN

   amplifies and retimes network signals

   records web pages and repeats them for other users

   relays time signals between network devices

 

Question 8:

A hub operates at which OSI layer?

   1

   2

   4

   6

 

Question 9:

Routers operate primarily at what layer of the OSI model?

   Layer 1

   Layer 2

   Layer 3

   Layer 4

 

Question 10:

What are the most important traffic-regulating devices on large networks?

   hubs

   servers

   routers

   bridges

 

Question 11:

What is the correct order of encapsulation?

   data, segment, packet, frame, bits

   data, frame, packet, segment, bits

   bits, data, packet, frame

   bits, frame, data, packet

 

Question 12:

What is the function of a transceiver?

   extends the length of network segment

   converts one media type to another

   segments two LANS

   increases the number of devices on a segment

 

Question 13:

At which layer of the OSI model is the NIC located?

   Layer 2

   Layer 3

   Layer 4

   Layer 5

 

Question 14:

Which layer of the OSI model describes networking media?

   network layer

   data link layer

   physical layer

   transport layer

 

Question 15:

What does a switch use to make data forwarding decisions?

   IP address

   MAC address

   network address

   subnetwork address

     

Question 16:

What is the purpose of a NIC?

   establishes, manages, and terminates sessions between applications and manages data exchange between presentation layer entities

   provides the host's access to the medium

   provides services to application processes

   provides mechanisms for the establishment, maintenance, and termination of virtual circuits, recovery, and information flow control

 

Question 17:

Which statement best describes bridges and the way they make forwarding decisions?

   they operate at OSI Layer 2 and use IP addresses to make decisions

   they operate at OSI Layer 3 and use IP addresses to make decisions

   they operate at OSI Layer 2 and use MAC addresses to make decisions

   they operate at OSI Layer 3 and use MAC addresses to make decisions

 

Question 18:

Which could be considered a layer 1-7 device?

   router

   hub

   switch

   computer

 

Question 19:

Which is considered a layer 2 device?

   hub

   repeater

   switch

   transceiver

 

Question 20:

Because a cloud is not really a device, but a collection of assumed capabilities, which OSI layers are represented in a cloud?

   Layers 1-3

   Layers 1-4

   Layers 4-7

   Layers 1-7

 

Question 21:

What is another name for a multi-port repeater?

   bridge

   host

   hub

   sequencer

 

Question 22:

What is the primary purpose of a router?

   to make packet forwarding decisions based on physical addresses

   to make packet forwarding decisions based on logical addresses

   to make frame forwarding decisions based on physical addresses

   to make frame forwarding decisions based on port addresses