Global Network

5-15) What is binary 0010 in hex?

2

6-14) A wireless host sends a packet to a server on the company's wired Ethernet LAN via an access point. How many frames will be involved in this one-way transmission?

2

9-6) If the subnet ID in an IPv6 address is 32 bits, how long is the routing prefix?

32 bits

11-6) How many HTTP request-response cycles are needed to transfer a webpage containing three graphics images?

4

5-16) To prevent anyone from simply walking up to a corporate switch and plugging their computer into its Ethernet port, companies can use ________.

802.1X

5-5) What 802 Working Group creates Ethernet standards?

802.3

10-5) For their transmission medium, cable television companies primarily use ________.

A) 2-pair VG UTP cabling B) 2-pair DG UTP cabling ***C) coaxial cable D) 4-pair UTP

9-11) ________ is a general naming system for the Internet.

DNS

5-4) What organization (most specifically) creates Ethernet standards?

IEEE

9-9) ________ is the process of presenting external IP addresses that are different from internal IP addresses used within the firm.

NAT

10-3) The Internet is a ________.

WAN

5-7) In digital signaling, there is (are) ________ state(s).

a small number of

5-12) The strength of a wave is its ________.

amplitude

6-10) To transmit data very rapidly, you would want a ________ channel.

broadband

10-6) In cellular technology, a ________ is a small geographical area

cell

6-8) An FM radio station is called Moldy Oldies 101.1. The 101.1 refers to its ________.

channel

5-3) The path a message takes from the source host to the destination device in an Ethernet network is a ________.

data link

10-2) WAN speeds are lower than LAN speeds because of ________.

economic reasons

5-2) Ethernet messages are ________.

frames

6-2) Wireless radio transmission speed is usually measured in terms of ________.

frequency

6-3) Frequency is measured in terms of ________.

hertz

8-14) For human reading, IPv6 addresses are written in ________ notation.

hexadecimal

5-13) In Ethernet, switches are organized in a ________.

hierarchy

10-1) A WAN is the network that ________.

links different sites together

5-14) Ethernet became the dominant LAN technology because of ________.

low cost

6-13) Spread spectrum transmission is used in WLANs for ________.

more reliable transmission

6-6) The most serious problem with wireless transmission in WLANs is ________.

multipath interference

8-9) A(n) ________ must find the best-matching row in its ________ table by comparing multiple row matches.

router; routing

9-13) Dynamic ________ protocols allow routers to transmit routing table information to one another.

routing

6-9) Wi-Fi operates in the 2.4GHz and 5GHz ________.

service bands

6-7) Multipath interference is mitigated through ________.

spread spectrum transmission

8-1) Which of the following is not one of the three parts of an IPv4 address?

subnet mask

10-4) In a telephone system, the lines that connect customers to the nearest switch are called ________.

the local loop

11-9) Speech codecs ________.

translate human voice signals into digital signals for transmission

11-12) Which of the following is considered a bigger problem with client/server architecture than peer-to-peer architecture?

underutilized processing capacity of client PCs

6-11) WLANs normally use ________.

unlicensed bands

5-11) The distance between two corresponding points in adjacent cycles is the ________.

wavelength

6-1) Wi-Fi Standards come from the ________ Working Group.

802.11

10-9) Why is Carrier Ethernet popular?

A) It uses familiar technology. B) It has attractive prices. C) both A and B

9-10) NAT ________.

A) allows a firm to have more internal IP addresses B) provides some security C) both A and B

5-17) The ARP cache gives the ________ of a router the host will send a packet to.

EUI-48 address

11-4) Which of the following is a file format standard?

HTML

11-5) Which of the following is a file transfer standard?

HTTP

11-8) In Web-based e-mail, when a client sends a message to its mail host, what standard does it use?

HTTP

9-14) ________ is an interior dynamic routing protocol.

OSPF

6-5) What propagation problem is especially bad in moist air?

absorptive attenuation

9-12) In SNMP, the manager communicates directly with a(n) ________.

agent

11-10) SIP is a ________ protocol for VoIP.

signaling