Book-Cards-Pt3 - Sheet 1 (2) Flashcards Preview

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Flashcards in Book-Cards-Pt3 - Sheet 1 (2) Deck (137)
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answer

2

Which routing protocol uses a composite metric of bandwidth and delay of the line to find the best path to a remote network?

EIGRP

6

Which command will display the current contents of the ARP cache on the local workstation?

arp -a

8

A network device that is used to connect multiple devices without segmenting a network is a                                       ?

Hub

9

The Spanning Tree Protocol allows for redundancy of what networking device?

Bridge (switch)

10

Which can operate at both Layers 2 and Layer 3 of the OSI model?

Layer 3 switch

11

SMTP resides at what layer of the OSI model?

Application

12

A user discovers that their wireless 802.11g Internet connection is intermittently disrupted. What can typically cause this problem?

Cordless phones and/or microwave ovens

13

Which device helps to increase the number of collision domains?

Switch

14

Which logical physical topology does 802.3 utilize?

Bus

15

Which wireless standard has a maximum data rate of 11Mbps?

802.11b

16

What functionality does Kerberos provide?

Authentication of security principles and authorization of access to resources

17

What TCP/IP port numbers does FTP utilize?

20 and 21. 20 is FTP data or a client, and 21 is an FTP server.

18

At what layer of the OSI model does UDP reside?

Transport

19

Convert the following binary string to its dotted decimal address: 11000000.10101000.01100011.00011010

192.168.99.26

20

100BaseTX uses how many pairs of Category 5 unshielded twisted-pair (UTP) cables?

2 pairs

21

What device connects computers with wireless adapters to a network in infrastructure mode?

Access point

22

Converting analog signals to digital signals and digital signals to analog signals can be done using what device?

Modem. Dial-up modems are rarely used today, but cable modems are.

23

The maximum segment length for Ethernet is                     .

100 meters (328 feet)

24

What is the maximum speed of 802.11g?

54Mbps (megabits per second)

25

Which techniques would increase the bandwidth for network transmission by joining multiple connections into one logical connection?

Bonding

26

True/False: Firewalls are used to prevent packets from entering and leaving a network.

TRUE

27

Which device can never run full duplex?

Hub

28

A valid Media Access Control (MAC) address is how many bytes long?

6

29

What well-known port does Trivial File Transfer Protocol (TFTP) use?

69

30

In which OSI layer does a bridge operate?

Data Link

31

An IT specialist is going to implement a packet filter on a network for Internet connections. What port must they allow through the firewall for users to connect to the Web?

80

32

What is the name of the point where local exchange carrier responsibility ends?

Demarc

33

What protocol translates the IP address to its physical network address?

ARP

34

Ethernet networking is known as a physical                                        topology.

Star