Business Data Networks and Security, 11e (Panko)
Chapter 1 Core Network Concepts and Terminology
1) Flooding a host with traffic so that it cannot serve its legitimate users is a ________ attack.
A) hacking
B) virus
C) malware
D) DoS
Answer: D
Difficulty: Basic
Question: 1a
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology
2) The KrebsOnSecurity.com attack ________.
A) was a denial of service attack.
B) used IoT devices to attack the site
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 1b
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology, Analytical Thinking
3) Internet communication that does not involve a human is referred to with the term ________.
A) World Wide Web
B) impersonal
C) anonymous
D) IoT
Answer: D
Difficulty: Difficult
Question: 1c
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology, Analytical Thinking
4) If a host cannot reach a DNS server, it ________.
A) cannot have a host name
B) will have to rely on host names
C) will need to use a DHCP server
D) is unlikely to be able to communicate with most server hosts
Answer: D
Difficulty: Difficult
Question: 1d
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology, Analytical Thinking
5) The Mirai bots in the KrebsOnSecurity.com attack were ________.
A) client hosts
B) server hosts
C) IoT devices
D) all of the above
Answer: C
Difficulty: Basic
Question: 1e
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology
6) ISPs ________.
A) carry traffic in the Internet
B) connect users to the Internet
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 3a
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology, Analytical Thinking
7) A packet sent from one host to another over the Internet will ALWAYS pass through ________.
A) a single ISP
B) more than 2 ISPs
C) exactly 2 ISPs
D) none of the above
Answer: D
Difficulty: Difficult
Question: 3c
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
8) We call any device connected to the Internet a(n) ________.
A) IP
B) client
C) router
D) host
Answer: D
Difficulty: Basic
Question: 4a
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology
9) Which of the following is a host when it’s on a network?
A) a client PC
B) a server
C) a mobile phone
D) all of the above
Answer: D
Difficulty: Basic
Question: 4b
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology
10) Which of the following is constantly leading to new applications?
A) increasing speed
B) increasing reliability
C) increasing availability wherever you are
D) all of the above
Answer: D
Difficulty: Basic
Question: 5a
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology, Analytical Thinking
11) Who owns the Internet?
A) The U.S. Government
B) The United Nations
C) The IETF
D) No one
Answer: D
Difficulty: Basic
Question: 6a
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology
12) Who is in charge of the Internet?
A) the U.S. Government
B) the United Nations
C) the IETF
D) No one
Answer: D
Difficulty: Basic
Question: 6b
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology
13) The IETF primarily ________.
A) manages the Internet
B) creates Internet standards
C) coordinates the work of ISPs
D) all of the above
Answer: B
Difficulty: Difficult
Question: 6c
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology, Analytical Thinking
14) From a security perspective, the Internet’s ability to give access to nearly everyone is a ________.
A) good thing
B) bad thing
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Difficult
Question: 7b
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology, Analytical Thinking
15) In the name Internet, “inter” means ________.
A) between
B) interior
C) international
D) interplanetary
Answer: A
Difficulty: Basic
Question: 8a
Objective: Discuss how the Internet is changing and the security challenges these changes are creating.
AACSB: Applying Information Technology
16) Depicting the Internet as a cloud symbolizes ________.
A) the Internet is amorphous
B) the Internet today is too complex to be understandable by humans
C) the Internet is too complex for anyone to depict
D) users do not have to know how the Internet operates
Answer: D
Difficulty: Basic
Question: 9a
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology, Analytical Thinking
17) When you use your tablet to access the internet, the tablet is a ________.
A) client host
B) server host
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 10a
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology, Application of Knowledge
18) Most servers are ________.
A) mainframes
B) Windows PCs
C) rack servers
D) routers
Answer: C
Difficulty: Basic
Question: 10b
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology
19) The client program is usually a browser.
Answer: FALSE
Difficulty: Basic
Question: 11b
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
20) The server program is always a webserver program.
Answer: FALSE
Difficulty: Basic
Question: 11c
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
21) The network stack implements the ________ layer process.
A) application
B) transport
C) physical
D) data link
Answer: B
Difficulty: Difficult
Question: 12a
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology, Application of Knowledge
22) The transport process always fragments the application message.
Answer: FALSE
Difficulty: Difficult
Question: 12c
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology, Application of Knowledge
23) What process adds a header in front of an application message or fragment?
A) application
B) transport
C) internet
D) data link
Answer: B
Difficulty: Basic
Question: 12d
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
24) A TCP message is called a ________.
A) datagram
B) packet
C) frame
D) none of the above
Answer: D
Difficulty: Basic
Question: 12e
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology
25) What process adds a header in front of a TCP segment?
A) Application
B) Transport
C) Internet
D) Data Link
Answer: C
Difficulty: Basic
Question: 12f
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
26) An IP packet may include a(n) ________.
A) application message or fragment
B) TCP segment or UDP datagram
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Difficult
Question: 13
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology, Application of Knowledge
27) When a frame arrives, the data link process on the destination host ________.
A) adds a header
B) removes a header
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 14a
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology, Application of Knowledge
28) The transport layer on the destination host ________.
A) reassembles the application message if it has been fragmented
B) removes the transport header
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Difficult
Question: 14b
Objective: Explain basic concepts and terminology for the hosts (devices) that connect to the Internet.
AACSB: Applying Information Technology, Application of Knowledge
29) IPv4 addresses are ________ bits long.
A) 32
B) 64
C) 128
D) none of the above
Answer: A
Difficulty: Basic
Question: 15a
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology
30) ________ addresses are 32 bits long.
A) IPv4
B) IPv6
C) EUI-48
D) none of the above
Answer: A
Difficulty: Basic
Question: 15a
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology
31) Which is NOT in an IP packet?
A) Internet header
B) Transport header
C) Data link header
D) All of the above are part of the IP packet.
Answer: C
Difficulty: Difficult
Question: 16a
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology, Analytical Thinking
32) To deliver IPv4 packets, routers look at the ________ addresses.
A) dotted decimal notation
B) EUI-48
C) IPv4
D) all of the above
Answer: C
Difficulty: Basic
Question: 16c
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology, Application of Knowledge
33) Routing is based on a(n) ________.
A) IP address
B) single-network address
C) either A or B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 17a
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology, Application of Knowledge
34) Router forwarding is called ________.
A) routing
B) switching
C) forwarding
D) none of the above
Answer: A
Difficulty: Difficult
Question: 17b
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology
35) paths across a single network are called ________.
A) routes
B) data links
C) physical links
D) none of the above
Answer: B
Difficulty: Basic
Question: 18a
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology
36) When a source host sends a packet to a destination host, there will probably be ________ along the way.
A) more routes
B) more data links
C) about the same number of routes and data links
D) all of the above
Answer: B
Difficulty: Difficult
Question: 18d
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
37) If there are 10 routers between the source and destination hosts, how many transport processes will be involved on all devices?
A) 1
B) 2
C) 10
D) 12
Answer: B
Difficulty: Difficult
Question: 19a
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
38) If there are 10 routers between the source and destination hosts, how may internet processes will be involved on all devices?
A) 1
B) 2
C) 10
D) 12
Answer: D
Difficulty: Difficult
Question: 19a
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
39) Which of the following is an Internet supervisory protocol?
A) DNS
B) IP
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Difficult
Question: 20
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
40) On the Internet, a ________ host usually gets a dynamic IP address.
A) client
B) server
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 21a
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology
41) On the Internet, a ________ host usually gets a static IP address.
A) client
B) server
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 21b
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology
42) A host with a(n) ________ IP address is easier to find than a host with a ________ IP address.
A) dynamic, static
B) static, dynamic
C) undetermined, static
D) undetermined, dynamic
Answer: B
Difficulty: Basic
Question: 21c
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
43) A DHCP server to assigns the client host the same IP address each time.
Answer: FALSE
Difficulty: Basic
Question: 21d
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology
44) When Host A wishes to communicate with Host B, a DNS server provides the IP address of ________.
A) Host A
B) the DNS server
C) Host B
D) none of the above
Answer: C
Difficulty: Basic
Question: 22b
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
45) When Host A wishes to talk with Host B, the DHCP server provides the IP address of ________.
A) Host A
B) DNS server
C) Host B
D) all of the above
Answer: A
Difficulty: Difficult
Question: 22b
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
46) The originating host needs to contact the DNS server each time it sends a packet to the target host.
Answer: FALSE
Difficulty: Basic
Question: 22c
Objective: Explain basic concepts and terminology for the Internet itself.
AACSB: Applying Information Technology
47) In a single switched network, a ________ connects consecutive switches.
A) physical link
B) data link
C) route
D) none of the above.
Answer: A
Difficulty: Basic
Question: 23a
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Application of Knowledge
48) In a point-to-point single network, how many physical links will there be when a packet is transmitted?
A) 0
B) 1
C) 2
D) We cannot say with the information provided.
Answer: B
Difficulty: Basic
Question: 23b
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
49) When a packet is transmitted, there is a single data link in each ________.
A) point-to-point single network
B) switched network
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 23c
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
50) In a point-to-point single network, there is always the same number of physical and data links.
Answer: TRUE
Difficulty: Difficult
Question: 23c
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
51) Which of the following is true?
A) Frames are carried inside packets.
B) Packets are carried inside frames.
C) both A and B
D) neither A nor B
Answer: B
Difficulty: Basic
Question: 25a
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology
52) A host sends a packet to another host containing seven single networks along the way. How many other hosts will there be along the route when Host A transmits?
A) 1
B) 2
C) 7
D) 9
Answer: A
Difficulty: Difficult
Question: 25b
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
53) A host sends a packet to another host containing six single networks along the way. How many data links are used for this transmission?
A) 1
B) 6
C) 7
D) 8
Answer: B
Difficulty: Difficult
Question: 25c
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
54) A host sends a packet to another host containing six single networks along the way. How many routes are included in this transmission?
A) 1
B) 6
C) 7
D) 8
Answer: A
Difficulty: Basic
Question: 25d
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Application of Knowledge
55) A host sends a packet to another host with six single networks along the way. How many frames are involved?
A) 1
B) 6
C) 7
D) 8
Answer: B
Difficulty: Basic
Question: 25e
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Application of Knowledge
56) A host sends a packet to another host with six single networks along the way. How many packets are involved in this transmission?
A) 1
B) 6
C) 7
D) 8
Answer: A
Difficulty: Basic
Question: 25d
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Application of Knowledge
57) In a single switched network with seven switches between a source and destination host, the source host addresses the frame ________.
A) to the first switch
B) to the destination host
C) to the first router
D) to the final switch
Answer: B
Difficulty: Difficult
Question: 25g
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
58) The final router in a route sends the packet being routed in a frame addressed to the ________.
A) next-hop router
B) destination host
C) local router
D) default router
Answer: B
Difficulty: Difficult
Question: 25h
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
59) All data link addresses are EUI-48 addresses.
Answer: FALSE
Difficulty: Basic
Question: 26a
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology
60) Source and destination IP addresses are found in the ________ header.
A) IP
B) Frame
C) TCP
D) all of the above.
Answer: A
Difficulty: Basic
Question: 26b
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Application of Knowledge
61) Source and destination EUI-48 addresses are found in ________ headers.
A) IP
B) frame
C) TCP
D) UDP
Answer: B
Difficulty: Basic
Question: 26c
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Application of Knowledge
62) Ethernet uses ________ addresses.
A) IPv4
B) IPv6
C) MAC
D) EUI-48
Answer: D
Difficulty: Basic
Question: 26d
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology
63) Wi-Fi uses ________ addresses.
A) IPv4
B) IPv6
C) MAC
D) EUI-48
Answer: D
Difficulty: Basic
Question: 26e
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology
64) Which of the following uses EUI-48 addresses?
A) Ethernet
B) Wi-Fi
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Basic
Question: 26e
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
65) Hosts on the Internet have ________ addresses.
A) IP
B) data link
C) both A and B
D) neither A nor B
Answer: C
Difficulty: Difficult
Question: 26f
Objective: Explain basic concepts and terminology for single networks and their role on the Internet.
AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge
66) ________ have access points.
A) Home access routers
B) Internet core routers
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 27a
Objective: Explain the distinctions between Internet routers and personal access routers; explain the differences between personal access routers and wireless access points.
AACSB: Applying Information Technology, Application of Knowledge
67) ________ have DHCP servers.
A) Home access routers
B) Internet core routers
C) both A and B
D) neither A nor B
Answer: A
Difficulty: Basic
Question: 27a
Objective: Explain the distinctions between Internet routers and personal access routers; explain the differences between personal access routers and wireless access points.
AACSB: Applying Information Technology, Application of Knowledge
68) Which of the following has better access point capabilities?
A) Home access routers
B) Corporate access points
C) Both have about the same access point capabilities.
Answer: B
Difficulty: Basic
Question: 27c
Objective: Explain the distinctions between Internet routers and personal access routers; explain the differences between personal access routers and wireless access points.
AACSB: Applying Information Technology, Application of Knowledge
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