Business Data Communications
Exam Solutions
Course Introduction
Business Data Communications explores the principles and practices involved in the transmission, reception, and management of data within and between organizations. This course covers foundational concepts such as network architectures, communication protocols, hardware and software components, data security, and wireless and wired technologies. Students will learn how data communication systems support business operations, enable collaboration, and drive decision-making. Through case studies and practical exercises, the course also addresses current trends and challenges in data communications, including cloud computing, mobile networking, and cybersecurity considerations.
Recommended Textbook
Business Data Networks and Security 11th Edition by Raymond
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12 Chapters
1009 Verified Questions
1009 Flashcards
Source URL: https://quizplus.com/study-set/2197
Page 2
R. Panko
Chapter 1: Core Network Concepts and Terminology
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68 Verified Questions
68 Flashcards
Source URL: https://quizplus.com/quiz/43742
Sample Questions
Q1) 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
Q2) What process adds a header in front of a TCP segment?
A) Application
B) Transport
C) Internet
D) Data Link
Answer: C
Q3) 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
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Page 3
Chapter 2: Network Standards
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112 Verified Questions
112 Flashcards
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Sample Questions
Q1) ISO standards are dominant in the OSI-TCP/IP layered standards architecture at the ________ layer.
A) transport
B) Internet
C) both A and B
D) neither A nor B
Answer: D
Q2) Network standards ________.
A) decrease equipment prices
B) prevent the growth of new features
C) both A and B
D) neither A nor B
Answer: A
Q3) Ethernet has a Frame Check Sequence Field to check for errors.Ethernet is ________.
A) reliable
B) unreliable
C) both A and B
D) neither A nor B
Answer: B
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Chapter 3: Network Management
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66 Verified Questions
66 Flashcards
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Sample Questions
Q1) Which of the following is NOT governed by the SNMP standard?
A) agents
B) MIB
C) network management program
D) network visibility program
Answer: D
Q2) ________ can be addressed by using priority.
A) Chronic lacks of capacity
B) Momentary traffic peaks
C) both A and B
D) neither A nor B
Answer: B
Q3) Jitter is a problem for ________.
A) downloading a file attached to an e-mail
B) e-mail
C) both A and B
D) neither A nor B
Answer: D
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Chapter 4: Network Security
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106 Verified Questions
106 Flashcards
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Sample Questions
Q1) SSL/TLS is used for ________.
A) Web applications
B) almost all applications
C) both A and B
D) neither A nor B
Q2) Iris scanning is attractive because of its ________.
A) low cost
B) precision
C) both A and B
D) neither A nor B
Q3) Which of the following probably suffered the most financial damage from the Target breach?
A) Target
B) banks
C) consumers
D) retailers
Q4) Biometrics,and other new authentication methods,are being created with the goal of getting rid of reusable passwords.
A)True
B)False
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Chapter 5: Ethernet 8023switched Lans
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91 Verified Questions
91 Flashcards
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Sample Questions
Q1) Ethernet addresses were formerly called ________ addresses.
A) MAC
B) EUI-48
C) both A and B
D) neither A nor B
Q2) To span the distance between two switches,why is adding an intermediate switch not an attractive choice?
A) latency
B) errors
C) speed restrictions
D) expense
Q3) The distance between two corresponding points in adjacent cycles is the ________.
A) frequency
B) wavelength
C) bandwidth
D) span
Q4) The switch knows the type of device it is forwarding a frame to.
A)True
B)False
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Chapter 6: Wireless Lans I
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92 Verified Questions
92 Flashcards
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Sample Questions
Q1) Two access points that operate on the same channel will ________.
A) bond
B) coordinate their use of the channel
C) interfere
D) divide the available spectrum about equally
Q2) 802.11 operates in the ________ unlicensed service band.
A) 2.4 MHz
B) 60 MHz
C) both A and B
D) neither A nor B
Q3) Spread spectrum transmission is used in WLANs for ________.
A) higher transmission speed
B) more reliable transmission
C) greater security
D) more efficient transmission
Q4) A single access point,and the set of hosts it serves,is called a(n)________.
A) BSS
B) BSSID
C) ESS
D) none of the above
Page 8
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Chapter 7: Wireless Lans II
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73 Verified Questions
73 Flashcards
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Sample Questions
Q1) What is the strongest security protocol for 802.11 today?
A) 802.11s
B) 802.11X
C) WPA
D) 802.11i
Q2) When a wireless client in an evil twin attack transmits,________.
A) the evil twin reads the packet, encrypts it, and passes on the packet
B) the evil twin reads the frame, encrypts it, and passes on the frame
C) the evil twin reads the packet and passes on the packet
D) the evil twin reads the frame and passes on the frame
Q3) Wi-Fi direct ________ uses access points.
A) always
B) usually
C) rarely
D) never
Q4) In 802.1x initial authentication mode,the authenticator is the ________.
A) wireless client
B) wireless access point
C) authentication server
D) none of the above
Page 9
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Chapter 8: TCP/IP Internetworking I
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86 Verified Questions
86 Flashcards
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Sample Questions
Q1) A packet arrives at a router with destination IP address 128.171.3.2.Row 47 has the destination value 128.171.0.0.Is Row 47 a match?
A) Yes
B) No
C) impossible to determine
Q2) The maximum application message size when UDP is used at the transport layer is approximately ________.
A) 16,000 bytes
B) 64,000 bytes
C) 1 million bytes
D) none of the above
Q3) UDP is a standard for ________.
A) packet delivery
B) supervision
C) both A and B
D) neither A nor B
Q4) For 100,000 addresses,which will have fewer rows?
A) a routing table
B) an Ethernet switching table
C) Both will be about the same number of rows.
Page 10
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Chapter 9: TCP/IP Internetworking II
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81 Verified Questions
81 Flashcards
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Sample Questions
Q1) In IPv6,ESP protects the IP packet's_____.
A) entire length
B) payload
C) header
D) none of the above
Q2) SAs in two directions ________.
A) are always the same
B) are always different
C) are sometimes different
Q3) In an IPv6 global unicast address,the interface ID is ________ bits long.
A) 8
B) 16
C) 64
D) Its size varies.
Q4) If the local DNS server does not know an IP address and must contact a remote DNS server,which DNS server will return the response to the client?
A) the local DNS server
B) the remote DNS server
C) either A or B
D) No IP address will be returned to the client.
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Chapter 10: Carrier Wide Area Networks Wans
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81 Verified Questions
81 Flashcards
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Sample Questions
Q1) Which of the following receive rights of way for transmission beyond sites?
A) corporations
B) carriers
C) both A and B
D) neither A nor B
Q2) T1 leased lines run at a speed of about ________.
A) 250 kbps
B) 1 Mbps
C) 10 Mbps
D) 45 Mbps
Q3) Which reduces traffic more when sending long files?
A) compression
B) caching
C) both A and B
D) neither A nor B
Q4) Which of the following already runs to nearly all customer premises?
A) 4-pair UTP
B) 1-pair VG UTP
C) 1-pair DG UTP
D) 2-pair DG UTP
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Chapter 11: Networked Applications
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84 Verified Questions
84 Flashcards
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Sample Questions
Q1) The main advance that made the client/server application architecture possible was ________.
A) the Internet
B) growing client processing power
C) growing application sophistication
D) new input/output methods
Q2) The main advance that made the client/server application architecture possible was ________.
A) the Internet
B) growing client processing power
C) growing application sophistication
D) new input/output methods
Q3) Netflix transcoding is based on ________.
A) network speed
B) the user's display device characteristics
C) both A and B
D) neither A nor B
Q4) In VoIP traffic,the data field in a signaling packet usually carries codec data.
A)True
B)False
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Chapter 12: Appendix: Managing the Security Process
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69 Verified Questions
69 Flashcards
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Sample Questions
Q1) Firewall operation takes place during the ________ phase.
A) plan
B) protect
C) response
D) none of the above
Q2) There should be relatively free access ________.
A) between the Internet and the DMZ
B) between the DMZ and the firm's internal network
C) both A and B
D) neither A nor B
Q3) There is a single countermeasure in ________.
A) weakest links
B) defense in depth
C) both A and B
D) neither A nor B
Q4) DMZs are places for ________.
A) servers that are not accessible to clients outside the firm
B) servers that are freely accessible to clients outside the firm
C) servers that are freely accessible to clients inside the firm
D) servers that are inaccessible to any clients
Page 14
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