Review: Sem III Final

1
Review Sem III Final
2
Which of the following causes congestion on an
ethernet network?

• More bandwidth
• more users
• low latency
• segmentation

3
Which of the following would you do to lessen
congestion on an Ethernet network?

• Add repeaters
• increase size of broadcast domains
• decrease size of collision domains
• decrease distance between workstations

4
What type of switching uses 10MB switches
connected by a 100MB backbone?

• Symmetrical switching
• cut-through switching
• asymmetrical switching
• fragment switching

5
In a switched network, which mode has the lowest
latency?

• Symmetrical
• cut-through
• store and forward
• fragment

6
Of the following options, which is the most
effective way to increase bandwidth in an
Ethernet network?

• Rewire
• use hubs
• change protocols
• use full duplex

7
Where does an Ethernet switch store learned
addresses?

• CAM
• RAM
• NVRAM
• LAM

8
In what mode does the switch use memory buffering?

• Cut-through
• configuration
• store and forward
• network monitoring

9
The Spanning Tree Algorithm(STA) eliminates

• BDPUs
• broadcasts
• bridging loops
• latency

10
What device would be used to limit a broadcast
domain?

• Switch
• router
• hub
• bridge

11
Which of the following are layer 2 segmentation
devices?

• Switches and repeaters
• routers
• switches and hubs
• switches and bridges

12
What effect do bridges have on latency?

• The same effect as a router
• No effect
• Decrease
• Increase

13
Which of the following media does not support
full duplex?

• Category 3 UTP
• Category 5 UTP
• Fibre
• Coax

14
Which of the following is a Spanning Tree
Protocol state?

• Talking
• enabled
• blocking
• holding

15
Which of the following is not a benefit of VLANs?

• Decreased latency
• control of broadcasts
• tightened network security
• microsegmentation

16
To impose logical structure on a network, you
would use a.

• Hub
• switch
• bridge
• router

17
IGRP is a ? protocol.

• Distance vector
• link state
• hybrid
• none of the above

18
IGRP routing updates are sent every...

• 30 seconds
• 60 seconds
• 90 seconds
• 45 seconds

19
When configuring IGRP what is required?

• 16 bit AS and a 32 bit IP net number

20
Extended IP access lists can filter packets by.

• application

21
To monitor access list statements, you would use.

• Show access-lists

22
What is specified in a standard IP access list?

• Source address

23
Both standard and extended named access lists are
available with Cisco IOS...

• After version 10.3
• before version 11.2
• after version 11.2
• none of the above

24
To permit traffic from any host in network
178.16.0.0, the wildcard mask would be.

• 255.255.0.0
• 0.0.255.255
• 255.255.255.255
• 0.0.0.0

25
What range is used to identify a standard ip
access list?

• 100-199
• 1-99
• 199-299
• none of the above

26
What is Novell Netwares Layer 4 protocol?

• SPX

27
A Novell IPX address is...

• 64 bits - 32 network 32 node
• 32 bits - 16 network 16 node
• 80 bits - 32 network 48 node
• 64 bits - 16 network 48 node

28
Netware allows multiple Layer 2 Ethernet
encapsulations, including...

• IEEE 802.5
• IEEE 802.3
• IEEE 802.4
• none of the above

29
Novell RIP routing tables are updated every...

• 30 seconds
• 45 seconds
• 60 seconds
• 90 seconds

30
The SAP object type is identified by a...

• Hexadecimal number

31
Which switching method examines Data Packet size?

• Fragment-Free
• Fast-Forward
• Cut-Through
• All of the above

32
An example of multi-protocol routing could be.

• IGRP and RIP
• EIGRP and OSPF
• IP and IPX
• All of the above

33
Exterior Gateway Protocol would include

• IPX
• OSPF
• RIP
• None of the above

34
Network convergence is when all the routers in a
network...

• Have the same link/network knowledge base

35
The best description of a default route would be

• A route defined by RIP
• a route defined by an administrator
• the last router in an autonomous system
• a route defined by LSA

36
Migrating from 10MB to 100MB bandwidth over cat 5
requires...

• Upgrading network devices

37
Logical network maps describe

• IP addressing

38
The best way to design access to servers in a
switched network is to use

• Asymmetrical switching

39
The best placement for an enterprise server is

• IDF
• MDF
• On any LAN
• None of the above

40
Which of the following is not a function of Layer
2 devices?

• Flow control
• reduced congestion
• reduced broadcasts
• error detection

41
LAN design goals do not include which of the
following?

• Scalability
• Management
• Fragmentation
• Adaptability

42
The most common techniques for grouping users
into distinct VLANs are

• Frame filtering and tagging

43
A very effective way to share access to VLANS is
to use...

• Overlapping VLANs

44
Which of the following metrics is used by
distance vectoring protocols?

• Bandwidth
• Loads
• Ticks
• Hop counts
• All of the above

45
To display IP routing timers, the command used
is...

• show IP protocol

46
The first rule in LAN design is...

• Understand the customer

47
Which of the following are Layer 1 design goals?

• Segmentation
• speed and expandability
• broadcast control
• all of the above

48
Routers do not forward SAP broadcasts, but do
send out...

• SAP tables

49
To assign network numbers to interfaces that
support multiple networks, you.

• Use subinterfaces

50
To display the number and type of IPX packets a
router received and transmitted, you use the ?
Command.

• show IPX traffic

51
Access list 1 deny 172.16.4.13 0.0.0.0 Access
list 1 permit anyThis access list does what?

• Deny host 172.16.4.13