Computer Networks
Study Guide Questions
Course Introduction
Computer Networks explores the fundamental principles, architectures, protocols, and technologies that enable communication between computers and devices over local and wide-area networks. The course examines core concepts such as network topologies, the OSI and TCP/IP models, physical transmission media, packet switching, routing, addressing, and error handling. Students also learn about network security, wireless and mobile networking, and modern networking applications. Through hands-on activities and case studies, the course emphasizes both practical networking skills and the theoretical underpinnings necessary to design, analyze, and troubleshoot contemporary network systems.
Recommended Textbook
Business Data Networks and Security 10th Edition by Raymond R. Panko
Available Study Resources on Quizplus
15 Chapters
838 Verified Questions
838 Flashcards
Source URL: https://quizplus.com/study-set/1485 Page 2
Chapter 1: Welcome to the Cloud
Available Study Resources on Quizplus for this Chatper
95 Verified Questions
95 Flashcards
Source URL: https://quizplus.com/quiz/29502
Sample Questions
Q1) Dotted decimal notation is used by ________.
A)networks
B)computers
C)both A and B
D)neither A nor B
Answer: A
Q2) 0.02 Gbps can also be written as ________.
A)2 Mbps
B)20 Mbps
C)200 Mbps
D)none of the above
Answer: B
Q3) Which of the following is a host's official address on the Internet?
A)its IP address
B)its host name
C)both A and B
D)neither A nor B
Answer: A
To view all questions and flashcards with answers, click on the resource link above.
3
Chapter 2: Network Standards
Available Study Resources on Quizplus for this Chatper
69 Verified Questions
69 Flashcards
Source URL: https://quizplus.com/quiz/29509
Sample Questions
Q1) On a server,well-known port numbers indicate ________.
A)applications
B)connections with client computers
C)both A and B
D)neither A nor B
Answer: A
Q2) Which of the following layers has more standards than the other three layers?
A)data link
B)Internet
C)transport
D)application
Answer: D
Q3) If the destination host receives a segment that has an error,it will ________.
A)transmit an ACK segment
B)transmit a NAC segment
C)transmit an RSND segment
D)none of the above
Answer: C
To view all questions and flashcards with answers, click on the resource link above. Page 4
Chapter 3: Network Security
Available Study Resources on Quizplus for this Chatper
88 Verified Questions
88 Flashcards
Source URL: https://quizplus.com/quiz/29510
Sample Questions
Q1) In digital certificate authentication,the verifier gets the key it needs directly from the
A)supplicant
B)verifier
C)true party
D)certificate authority
Answer: D
Q2) Which type of firewall filtering collects streams of packets to analyze them as a group?
A)static packet filtering
B)stateful packet inspection
C)next-generation
D)none of the above
Answer: C
Q3) DoS attacks attempt to ________.
A)hack a computer
B)reduce the availability of a computer
C)steal information from a computer
D)delete files on a computer
Answer: B
To view all questions and flashcards with answers, click on the resource link above. Page 5
Chapter 4: Network and Security Management
Available Study Resources on Quizplus for this Chatper
64 Verified Questions
64 Flashcards
Source URL: https://quizplus.com/quiz/29511
Sample Questions
Q1) Errors may substantially reduce throughput in ________.(Pick the standard most affected.)
A)IP
B)TCP
C)UDP
D)HTTP
Q2) Which phase of the plan-protect-respond cycle takes the largest amount of work?
A)plan
B)protect
C)respond
D)The phases require about equal amounts of effort.
Q3) Priority addresses the problem of ________.
A)momentary traffic peaks
B)chronic under-capacity
C)both A and B
D)neither A nor B
Q4) A packet will definitely get through if it has ________.
A)QoS reserved capacity
B)priority
C)both A and B
To view all questions and flashcards with answers, click on the resource link above. Page 6
Chapter 5: Ethernet 8023switched Lans
Available Study Resources on Quizplus for this Chatper
70 Verified Questions
70 Flashcards
Source URL: https://quizplus.com/quiz/29512
Sample Questions
Q1) Ethernet becomes the dominant of LAN technology primarily because of its
A)high speed, compared with competing technologies
B)use of multiple switches
C)low cost, compared with competing technologies
D)sophistication, compared with competing technologies
Q2) Ethernet has only a single standard at the ________ layer.
A)physical
B)MAC
C)data link
D)Internet
Q3) Which UTP quality levels are needed to send signals 100 meters at 10 gigabits per second?
A)category 6
B)category 6A
C)both A and B
D)neither A nor B
Q4) In this book,we use the terms Ethernet and 802.3 interchangeably.
A)True
B)False
To view all questions and flashcards with answers, click on the resource link above. Page 7
Chapter 6: Wireless Lans I
Available Study Resources on Quizplus for this Chatper
69 Verified Questions
69 Flashcards
Source URL: https://quizplus.com/quiz/29513
Sample Questions
Q1) The most serious problem with wireless transmission in WLANs is ________.
A)inverse square law attenuation
B)absorptive attenuation
C)shadow zones
D)multipath interference
Q2) If two products both comply with 802.11 ac,they should have close to the same performance.
A)True
B)False
Q3) Today,Wi-Fi sales are dominated by ________.
A)802.11a
B)802.11g
C)802.11n
D)802.11ac
Q4) Compared to wired transmission,propagation problems in radio transmission are ________.
A)worse
B)about as bad
C)better
To view all questions and flashcards with answers, click on the resource link above. Page 8
Chapter 7: Wireless Lans 2
Available Study Resources on Quizplus for this Chatper
56 Verified Questions
56 Flashcards
Source URL: https://quizplus.com/quiz/29514
Sample Questions
Q1) A rogue access point is created by ________.
A)an employee
B)an external attacker
C)the IT security department
D)an evil twin
Q2) If a company uses 802.11i for its core security protocol,an evil twin access point will set up ________ 802.11i connection(s).
A)one
B)two
C)four
D)16
Q3) An unauthorized internal access point is a(n)________ access point.
A)evil twin
B)rogue
C)shadow
D)counterfeit
Q4) Centralized access point management ________.
A)increases management costs but provides better control
B)reduces management costs
To view all questions and flashcards with answers, click on the resource link above. Page 9
Chapter 8: Tcp-Ip Internet Working I
Available Study Resources on Quizplus for this Chatper
61 Verified Questions
61 Flashcards
Source URL: https://quizplus.com/quiz/29515
Sample Questions
Q1) Routers usually are connected in a ________ topology.
A)point-to-point
B)mesh
C)hierarchical
D)bus
Q2) If I simplify the address 2001:0000:0000:00fe:0000:0000:abcd:13ef,I get ________.
A)2001:::fe:::abcd:13ef
B)2001::fe:::abcd:13ef
C)2001:::fe::abcd:13ef
D)2001::fe::abcd:13ef
Q3) To deliver an arriving packet to a destination host on a subnet connected to a router,the router needs to know the destination host's ________ before the router can send the packet on to the destination host.
A)IP address
B)data link layer address
C)both A and B
D)neither A nor B
To view all questions and flashcards with answers, click on the resource link above.
Chapter 9: Tcp-Ip Internet Working 2
Available Study Resources on Quizplus for this Chatper
56 Verified Questions
56 Flashcards
Source URL: https://quizplus.com/quiz/29516
Sample Questions
Q1) ________ is a general naming system for the Internet.
A)NAT
B)DNS
C)DHCP
D)Dotted decimal notation
Q2) Which is NOT one of the three parts of a public IPv6 unicast address?
A)subnet ID
B)routing prefix
C)host part
D)All of the above are parts in a public IPv6 unicast address.
Q3) Your firm has an 8-bit network part.If you need at least 250 subnets,what must your subnet part size be?
A)5
B)6
C)7
D)8
Q4) Which has stronger security?
A)SSL/TLS
B)IPsec
C)Both have about equal security.
To view all questions and flashcards with answers, click on the resource link above. Page 11
Chapter 10: Carrier Wide Area Networks Wans
Available Study Resources on Quizplus for this Chatper
74 Verified Questions
74 Flashcards
Source URL: https://quizplus.com/quiz/29503
Sample Questions
Q1) Cells are used in cellular telephony to provide ________.
A)service for more customers
B)greater reliability
C)greater transmission speed
D)all of the above
Q2) Leased lines offer ________ service.
A)fast
B)any-to-any
C)rapid-connection
D)none of the above
Q3) Which of the following DSL services tends to be symmetric in speed?
A)residential
B)business
C)both A and B
D)neither A nor B
Q4) MPLS routers base their decisions on a packet's ________.
A)destination IP address
B)label number
C)both A and B
D)neither A nor B
To view all questions and flashcards with answers, click on the resource link above. Page 12
Chapter 11: Networked Applications
Available Study Resources on Quizplus for this Chatper
62 Verified Questions
62 Flashcards
Source URL: https://quizplus.com/quiz/29504
Sample Questions
Q1) Which of the following is used to define webpage bodies?
A)HTTP
B)HTML
C)both A and B
D)neither A nor B
Q2) VoIP users have ________ in their phones or on their computers.
A)media gateways
B)codecs
C)both A and B
D)neither A nor B
Q3) Which element of the Skype network is in charge of signaling?
A)the login server
B)host nodes
C)super nodes
D)media gateways
Q4) Skype offers ________.
A)free calling among Skype customers
B)free calling to and from Public Switched Telephone Network customers
C)both A and B
D)neither A nor B
To view all questions and flashcards with answers, click on the resource link above. Page 13
Chapter 12: Module a More on Tcp
Available Study Resources on Quizplus for this Chatper
4 Verified Questions
4 Flashcards
Source URL: https://quizplus.com/quiz/29505
Sample Questions
Q1) Flow control in TCP depends on the ________ field.
A)acknowledgement number
B)window size
C)both A and B
D)neither A nor B
Q2) A TCP segment begins with octet 8,658 and ends with octet 12,783.What number does the receiving host put in the acknowledgment number field of the TCP segment that acknowledges this TCP segment?
A)8,658
B)8,659
C)12,783
D)12,784
Q3) A TCP segment carries data octets 456 through 980.The following TCP segment is a supervisory segment carrying no data.What value is in the sequence number field of the latter TCP segment?
A)456
B)457
C)980
D)981
To view all questions and flashcards with answers, click on the resource link above.
Page 14
Chapter 13: Module B More on Modulation
Available Study Resources on Quizplus for this Chatper
12 Verified Questions
12 Flashcards
Source URL: https://quizplus.com/quiz/29506
Sample Questions
Q1) QAM uses ________.
A)amplitude modulation
B)phase modulation
C)both A and B
D)neither A nor B
Q2) QPSK sends ________ bit(s)per clock cycle.
A)1
B)2
C)4
D)16
Q3) In QAM,if you have eight possible amplitudes,you have ________ possible states. A)4
B)8
C)16
D)none of the above
Q4) BPSK modulation uses two ________.
A)amplitudes
B)frequencies
C)phases
D)none of the above
To view all questions and flashcards with answers, click on the resource link above. Page 15
Chapter 14: Module C More on Telecommunications
Available Study Resources on Quizplus for this Chatper
47 Verified Questions
47 Flashcards
Source URL: https://quizplus.com/quiz/29507
Sample Questions
Q1) In the United States,which of the following is a carrier?
A)ILEC
B)LATA
C)both A and B
D)neither A nor B
Q2) Which of the following regulates telephony within individual states in the United States?
A)FCC
B)PUCs
C)neither A nor B
Q3) Satellite ________ operate on a point-to-point basis.
A)uplinks
B)downlinks
C)both A and B
D)neither A nor B
Q4) For PBXs,call forwarding is ________.
A)a user service
B)an attendant service
C)a management service
To view all questions and flashcards with answers, click on the resource link above. Page 16
Chapter 15: Module D Directory Servers
Available Study Resources on Quizplus for this Chatper
11 Verified Questions
11 Flashcards
Source URL: https://quizplus.com/quiz/29508
Sample Questions
Q1) Directory servers organize information in a ________.
A)mesh
B)hierarchy
C)relational database
D)all of the above
Q2) In Active Directory domains,there is complete replication between domain controllers ________.
A)in the same domain
B)in adjacent levels in the domain hierarchy
C)throughout a tree
D)throughout a forest
Q3) A group of Active Directory trees organized in a hierarchy is a forest.
A)True
B)False
Q4) If a company has multiple authentication servers,which devices are likely to hold the authentication data?
A)authenticators
B)authentication servers individually
C)authentication servers doing replication
D)directory servers
To view all questions and flashcards with answers, click on the resource link above. Page 17