ISM 4220 - Oliveira - Chapter 1
2) What did Claire learn about individual access points? A) SSIDs B) BSSIDs C) Both A and B D) Neither A nor B
B
22) A typical packet is about ________ long. A) 100 bits B) 100 bytes C) 1,000 bytes D) 40 bytes
B
49) In internets, different networks are connected by ________. A) switches B) routers C) Both A and B D) Neither A nor B
B
51) A ________ is the path that a frame takes across a single switched network. A) physical link B) data link C) route D) connection
B
70) Which standard corrects errors? A) IP. B) TCP. C) UDP. D) None of the above
B
71) Which standard does fragmentation? A) UDP. B) TCP. C) Both A and B D) Neither A nor B
B
74) TCP/IP is a ________. A) standard B) family of standards C) Both A and B D) Neither A nor B
B
29) If a packet passes through seven switches between the source and destination hosts, how many physical links would there be? A) 1 B) 6 C) 7 D) 8
D
37) Routers used to be called ________. A) IMPs B) switches C) Network Access Points D) gateways
D
54) What layer number is the transport layer? A) 1 B) 2 C) 3 D) None of the above
D
62) Which of the following layers governs transmission across an Internet? A) Physical layer. B) Data link layer. C) Both A and B D) Neither A nor B
D
66) Which standard deals with addresses and functionality for switches to move frames across a network? A) IP. B) TCP. C) UDP. D) None of the above
D
82) Which protocol provides a client PC with its dynamic IP address? A) The Post Office Protocol (POP). B) The Transmission Control Protocol (TCP). C) The Domain Name System (DNS). D) None of the above
D
85) In a DNS response message, you get the IP address of a host. Of which host is this the IP address? A) Your ISP's access server. B) Your own host (your PC). C) The DNS server. D) A host you are trying to reach.
D
90) Which of the following is not a function of a wireless access router? A) Ethernet switch. B) DHCP server. C) Network address translation (NAT). D) DNS server.
D
19) The correct metric prefix for kilo is K.
F
27) A switch knows a packet's entire path through a switched network.
F
34) Ray Tomlinson used the @ sign to separate the username from the password.
F
38) Spelling internet with a lowercase i indicates that you are talking about the global internet.
F
44) A frame usually is carried inside a packet.
F
47) Frames are carried inside packets.
F
5) A network is a system that permits networked applications on a host to work together.
F
68) The Internet Protocol is responsible for placing in order packets that arrive out of order.
F
72) You would use TCP at the transport layer if you did not need error correction or could not use error correction.
F
76) Commercial activity has always been considered acceptable on the Internet.
F
77) The NSF Acceptable Use Policy permitted commercial activity on the Internet.
F
81) Dynamic IP addresses do not change.
F
84) Manually configuring client PCs is efficient.
F
91) A home access router contains a DHCP server
F
B
F
35) What device connects different networks into an internet? A) Router. B) Switch. C) Network Access Point. D) Core switch.
A
45) If two hosts are separated by seven networks, how many packets will there be along the way when a host transmits a packet to another host? A) 1 B) 2 C) 7 D) 14
A
52) Dividing a message into a series of smaller messages is called ________. A) fragmentation B) packetization C) serialization D) framing
A
53) Which of the following is written in dotted decimal notation? A) IPv4 addresses. B) IPv6 addresses. C) Both A and B D) Neither A nor B
A
55) What layer number is the physical layer? A) 1 B) 2 C) 3 D) None of the above
A
57) What layer number is the data link layer? A) 1 B) 2 C) 3 D) None of the above
A
61) Which layer governs the hop-by-hop transmission of packets across an Internet? A) Internet. B) Transport. C) Both A and B D) Neither A nor B
A
65) Which standard deals with addresses and functionality for routers to move packets across an Internet? A) IP. B) TCP. C) UDP. D) All of the above
A
80) A ________ IP address does not change. A) static B) dynamic C) Both A and B D) Neither A nor B
A
87) The type of wiring used in home networks is ________. A) 4-pair UTP B) RJ-45 C) Both A and B D) Neither A nor B
A
17) 200,000 bits per second is ________. A) 20 kbps B) 200 kbps C) 200 Gbps D) None of the above
B
18) 320,000 kbps is ________. A) 320 bps B) 320 Mbps C) 320 Gbps D) None of the above
B
23) Reassembly is done on the ________. A) source host B) destination host C) Both A and B D) Neither A nor B
B
26) When a switch receives a packet, the switch selects the ________. A) destination host B) port to send the packet out C) path through the switched network D) None of the above
B
28) A ________ is the path that a frame takes across a single switched network. A) physical link B) data link C) route D) connection
B
3) The Ethernet address of an access point is its ________. A) SSID B) BSSID C) Both A and B D) Neither A nor B
B
32) The Network Working Group called its standards ________. A) IMPs B) RFCs C) NCPs D) All of the above
B
40) Hosts on the Internet have ________ address(es). A) 1 B) 2 C) 3 D) None of the above
B
41) An IPv4 address is ________ bits long. A) 48 B) 32 C) 8 D) 128
B
42) For human reading, IPv4 addresses usually are expressed in ________. A) hexadecimal notation B) dotted decimal notation C) Both A and B
B
48) ________ are carried inside ________. A) Frames, packets B) Packets, frames C) Both A and B D) Neither A nor B
B
6) Which of the following is a networked application? A) The Internet. B) The World Wide Web. C) Both A and B D) Neither A nor B
B
60) Which of the following layers governs transmission across an Internet? A) The data link layer. B) The transport layer. C) Both A and B D) Neither A nor B
B
63) Which of the following layers governs transmission across an Internet? A) Layer 2. B) Layer 4. C) Both A and B D) Neither A nor B
B
67) Which standard places packets that arrive out of order in order? A) IP. B) TCP. C) UDP. D) None of the above
B
69) Which standard does fragmentation? A) IP. B) TCP. C) UDP. D) None of the above
B
86) Which of the following gives you the IP address of a host you wish to communicate with? A) DHCP. B) DNS. C) Both A and B D) Neither A nor B
B
89) What is the standard for wireless PCs and printers to connect to a wireless access point? A) RJ-45. B) 802.11. C) IP. D) TCP/IP.
B
1) Google Docs, a cloud-based word processing program, is an example of a ________. A) cloud data service B) cloud synchronization service C) cloud software service D) None of the above
C
10) A device attached to a network is called a ________. A) client B) server C) host D) Either A or B
C
31) On the ARPANET, packet switches were called ________. A) routers B) gateways C) IMPs D) NCPs
C
4) An unauthorized access point is a(n) ________. A) SSID B) BSSID C) rogue access point D) evil twin access point
C
46) If two hosts are separated by seven networks, how many frames will there be along the way when a host transmits a packet to another host? A) 1 B) 2 C) 7 D) 14
C
56) What layer number is the internet layer? A) 1 B) 2 C) 3 D) None of the above
C
59) Which of the following layers governs transmission across an Internet? A) The internet layer. B) The transport layer. C) Both A and B D) Neither A nor B
C
64) Which layer governs the hop-by-hop transmission of packets across an Internet? A) Layer 1. B) Layer 2. C) Layer 3. D) None of the above
C
7) Which of the following is a networked application? A) E-mail. B) The World Wide Web. C) Both A and B D) Neither A nor B
C
73) If you did not need error correction or could not use error correction at the transport layer, you would choose ________. A) IP B) TCP C) UDP D) None of the above
C
79) Different ISPs interconnect at ________. A) routers B) switches C) Network Access Points D) portals
C
8) Users create or enhance website content in ________ applications. A) Web-based B) WWW C) Web 2.0 D) streaming media
C
83) The Dynamic Host Configuration Protocol provides ________. A) dynamic IP addresses B) several types of configuration information C) Both A and B D) Neither A nor B
C
92) Your ISP gives your home a single IP address. What in the access router allows you to have multiple devices share a single IP address? A) DHCP. B) DNS. C) NAT. D) Multiplexing.
C
11) Which of the following is a host when it is on a network? A) A client PC. B) A server. C) A mobile phone. D) All of the above
D
75) TCP/IP includes UDP.
T
78) Carriers that provide Internet service are called Internet service providers.
T
88) RJ-45 is the connector standard for wired connections.
T
9) Social media applications facilitate the creation of group relationships.
T
14) To emphasize the fact that the user does not have to see how it works internally, the ________ is often drawn as a cloud. A) network core B) access link C) host D) server
A
15) Network speeds usually are measured in ________. A) bits per second B) bytes per second C) Both A and B D) Neither A nor B
A
16) 20,000 bits per second is ________. A) 20 kbps B) 20 Mbps C) 20 Gbps D) None of the above
A
20) Packet switching is most efficient for ________ data. A) relatively constant B) bursty C) high-priority D) All of the above
A
21) Fragmentation is done on the ________. A) source host B) destination host C) Both A and B D) Neither A nor B
A
25) Packet switching is desirable because it ________. A) reduces transmission cost B) reduces transmission time C) Both A and B D) Neither A nor B
A
30) If a packet passes through eight switches between the source and destination hosts, how many data links would there be? A) 1 B) 6 C) 7 D) 8
A
39) The creation of internetworking required the introduction of two addresses for each host.
T
43) Packets are carried inside frames.
T
58) Layer 2 is the data layer.
T
12) If a laptop PC is connected to a network, it is a host.
T
13) A smartphone connected to the Internet is a host.
T
24) Multiplexing reduces transmission cost.
T
33) Ray Tomlinson extended e-mail from being a communication system among users of a single computer to being a communication system among users of many computers.
T
36) A router connects different networks into an internet.
T
