ESAT Forouzan - Chapter 16: Connecting LANS, Backbone Networks and Virtual LANS

Question 1

Which of the following is a connecting device?
a. Bridge
b. Repeater
c. Hub
d. All of the above

Answer 1

d. All of the above

Question 2

A bridge forwards or filters a frame by comparing the information in its address table to the frame’s _______
a. Layer 2 source address
b. Source node’s physical address
c. Layer 2 destination address
d. Layer 3 destination address

Answer 2

c. Layer 2 destination address

Question 3

A bridge can ______
a. Filter a frame
b. Forward a frame
c. Extend a lan
d. Do all of the above

Answer 3

d. Do all of the above

Question 4

Repeaters function in the ______ layer(s)
a. Physical (MAC)
b. Data link
c. Network
d. A and b

Answer 4

a. Physical (MAC)

Question 5

A _______ is actually a multiport repeater.
a. Bridge
b. Router
c. VLAN
d. Hub

Answer 5

d. Hub

Question 6

Bridges function in the _______________ layer(s)
a. Physical (MAC)
b. Data link
c. Network
d. A and b

Answer 6

d. A and b

Question 7

A repeater takes a weakend or corrupted signal and ____________ it.
a. Amplifies
b. Regenerates
c. Resamples
d. Reroutes

Answer 7

b. Regenerates

Question 8

A bridge has access to the _______ address of a station on the same network.
a. Physical (MAC)
b. Network
c. Service access point
d. All of the above

Answer 8

a. Physical (MAC)

Question 9

A system redundant bridges might have a problem with _____ in the system.
a. Loops
b. Filters
c. Spanning tress
d. All of the above

Answer 9

a. Loops

Question 10

A _________ bridge has the smallest ID.
a. Root
b. Designated
c. Forwarding
d. Blocking

Answer 10

a. Root

Question 11

The bridge with the least-cost path between the LAN and the root bridge is called the ____ bridge.
a. Designated
b. Forwarding
c. Blocking
d. A and b

Answer 11

a. Designated

Question 12

A bridge never forwards frames out of the ____ port.
a. Root
b. Designated
c. Forwarding
d. Blocking

Answer 12

d. Blocking

Question 13

Which type of bridge builds and updates its tables from address information in frames?
a. Simple
b. Transparent
c. A and b
d. None of the above

Answer 13

b. Transparent

Question 14

VLAN technology divides a lab into _____ groups.
a. Physical
b. Logical
c. Multiplexed
d. Framed

Answer 14

b. Logical

Question 15

Which station characteristics can be used to group stations into a vlan?
a. Port numbers
b. MAC addresses
c. IP addresses
d. All of the above

Answer 15

d. All of the above

Question 16

In a VLAN, stations are separated into groups by ____________.
a. Physical methods
b. Software methods
c. Locations
d. Switches

Answer 16

b. Software methods