1 which of the following protocols is used to eliminate loops?

STP *
BDPU
UDP
EIGRP
learning

2 Which of the following is a term associated with replacing hubs with switches to increase the number of collision domains?

encapsulation
latency
segmentation *
layered model
broadcast domain
extended

3 Which of the following are not to be exceeded when implementing the 5-4-3-2-1 Rule? (Choose three.)

five broadcast domains
four hubs *
three routers
three host segments *
one collision domain *

4 What will a bridge do if it receives a frame with a MAC address that is not within the table?

discard frame
ignore frame
send frame to appropriate port
send frame to all ports except source port *

5 Which of the following network types uses networking devices to extend the distances that cable can be run?

length/shared media
extended shared media *
point-to-point network
extended point-to-point network
multiple access/point-to-point

6 Which LAN switching mode has the lowest latency?

cut-through *
fragment-free
latency forwarding
store-and-forward

7 Which of the following does a router use to make a forwarding decision?

destination IP address *
MAC address
source IP address
encapsulation address
default gateway

8 What impact does a bridge have on a network? (Choose two.)

reduces the number collision domains
increases number of collision domains*
adds additional broadcast domains
has no impact on broadcast domains *
reduces the length of the shared media

9 Which LAN devices make frame forwarding decisions based on MAC addresses? (Choose two.)

hub
router
bridge
switch *
transceiver

10 A network administrator has a multi-floor LAN to monitor and maintain. Through careful monitoring, the administrator has noticed a large amount of broadcast traffic slowing the network. Which device would you use to best solve this problem?

bridge
hub
router *
transceiver

11 What does a workstation broadcast to learn an unknown MAC address?

RARP request
ARP request *
STA request
STP request

12 A switch reads the first 64 bytes of a data field and forwards data, before the entire data field has been read. Which switching method allows this?

store and forward
cut-through
fragment-free*
asymmetric
symmetric

13 What does a switch build as it reads MAC addresses that pass through it?

Routing Topology table
Content Addressable Memory table *
Store and Forward list
Cut-through domain
MAC Route Address table

14 Which switching mode describes a switch that transfers a frame as soon as the destination MAC address is read?

fragment-free
cut-through *
store-and-forward
latency forwarding

15 What is a disadvantage of cut-through switching?

no error checking *
a decrease in error checking
decrease in number of collision domains
decrease in bandwidth
increased latency

16 Which switching method allows a switch to receive the entire frame before sending it out the destination port?

store and forward *
cut-through
fragment-free
asymmetric

17 Which of the following would alleviate the problem of excessive collisions in a LAN? (Choose two.)

reduce the size of collision domains *
reduce number of broadcast domains
add extra hubs
add extra managed switches *
add additional transceivers
increase the length of UTP cable runs

18 Which of the following describes the concept of full-duplex mode?

traffic passing in one direction at a time with no collisions
traffic passing faster downstream than upstream
traffic passing equally in both directions with no collisions *
traffic passing faster upstream than downstream

19 While working on her computer, Mary noticed longer than normal network data transfers. Mary investigates the problem and notices that her co-worker John has been hosting an online video conference. What is the network probably experiencing?

collision storm
broadcast storm *
IP storm
data rain storm

20 Which switching mode results in the lowest amount of latency and provides no error checking?

cut-through *
fragment-free
store-and-forward
synchronous

21 Which items are contributors to latency in a switched network? (Choose two.)

circuit delays*
software delays *
incorrect MAC addressing
too many collision domains

22 Which of the following are considered Layer 1 devices? (Choose two.)

router
switch
repeater *
bridge
hub*

23 What does a switch broadcast to let other switches know of its existence on the LAN?

STP
STA
BDPU
BPU
BPDU *