cnet-124-networking-theory-test-2-finals

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Studocu is not sponsored or endorsed by any college or university CNET 124 Networking Theory Test 2 - Finals Network Technologies (Centennial College) Studocu is not sponsored or endorsed by any college or university CNET 124 Networking Theory Test 2 - Finals Network Technologies (Centennial College) Downloaded by Aayushmann Verma (aayushverma2434@gmail.com) lOMoARcPSD|30901232
CNET 124 THEORY TEST 2 Question 1 What is one benefit SSH provides, that Telnet does not? backups encryption remote access database security Question 2 Network security policies should _____ (like an onion, or Shrek) for best effect? Be layered Be proprietary Be smelly make you cry Question 3 One of the easiest things you can do to secure your devices in a network is to ______ ? Not use default passwords Encrypt all data on devices Encrypt all data transmitted over the network Set up a firewall to filter traffic Question 4 Downloaded by Aayushmann Verma (aayushverma2434@gmail.com) lOMoARcPSD|30901232
What does the command service password-encryption do? encrypts all traffic passing through a Cisco device encrypts all passwords on a Cisco device Allows you to set a minimum password length Activates the firewall on a Cisco devic Question 5 In terms of securing a network, what is an endpoint? A device that acts as network routing equipment A host that acts as a network client A device that acts as network switching equipment A device that filters traffic on the network Question 6 Physical Security includes All of these Hardware threats Environmental threats Maintenance threats Question 7 Put the following layers of the OSI model in order (7 being the top layer, 1 being the bottom layer) Question 7 options: 2 Data Link 4 Transport 1 Physical Downloaded by Aayushmann Verma (aayushverma2434@gmail.com) lOMoARcPSD|30901232
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7 Application 5 Session 6 Presentation 3 Network Question 8 What does UDP sacrifice (that TCP does not) to increase speed? Question 8 options: accuracy reliability port numbers configuration Question 9 Which of the following is a primary responsibility of Protocols operating at the Transport Layer? Segmenting data and reassembly of segmented data. IPv4 addressing Encoding binary data in a format that's transmissable on the medium Managing sessions Question 10 What protocol uses the 4 way handshake? DHCP TCP UDP Ethernet Downloaded by Aayushmann Verma (aayushverma2434@gmail.com) lOMoARcPSD|30901232
Question 11 Which of the following protocols operates at the Transport layer? Question 11 options: NRZ TCP TCP/IP HTTPS Question 12 Which of the following best describes TCP? Question 12 options: Slow Connection-oriented Fast Connectionless Question 13 What are the 3 sets of packets used to establishing a TCP connection using the 3 way handshake? syn ack; ack,syn; syn asyn; syn,ack; ack syn; syn,ack; ack Question 14 Which of the following is a primary responsibility of Protocols operating at the Transport Layer? Question 14 options: Tracking individual communication between applications on the source and destination hosts Downloaded by Aayushmann Verma (aayushverma2434@gmail.com) lOMoARcPSD|30901232
IPv4 addressing Encoding binary data in a format that's transmissable on the medium Managing sessions Question 15 Which of the following is a primary responsibility of Protocols operating at the Transport Layer? Question 15 options: Identifying the proper application for each communication stream by port number IPv4 addressing Encoding binary data in a format that's transmissable on the medium Managing sessions Question 16 What mechanism does TCP use to allow for flow control? it doesn t flow sliding window 3 way handshake Question 17 Which of the following best describes UDP? Slow Connection-oriented Fast Connectionless Question 18 Downloaded by Aayushmann Verma (aayushverma2434@gmail.com) lOMoARcPSD|30901232
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What TCP port does HTTP use? 80 443 22 whatever it wants Question 19 What layer of the OSI model represents the Transport layer? Layer 1 Layer 3 Layer 2 Layer 4 Question 20 What TCP port does HTTPS use? 80 443 22 whatever it wants Question 21 What was one of the driving factors behind the creation of IPv6? Cross-platform compatability IPv4 address depletion The Internet Security Downloaded by Aayushmann Verma (aayushverma2434@gmail.com) lOMoARcPSD|30901232
Question 22 IPv6 addresses are _____ bits in length 32 128 256 64 Question 23 Why do we subnet IP addresses? All of these To reduce the size of the broadcast domain For security For efficiency Question 24 What numbering system is used to display IPv4 addresses? decimal binary hexadecimal octal Question 25 What protocol provides translation between private IPv4 addresses and public IPv4 addresses NAT DHCP IPv6 Downloaded by Aayushmann Verma (aayushverma2434@gmail.com) lOMoARcPSD|30901232
IPv4-to-IPv6 Question 26 In IPv4, what does a subnet mask tell you? The division between network and host portions of the IP address The routing protocol being used The source IP of the communication The routing prefix Downloaded by Aayushmann Verma (aayushverma2434@gmail.com) lOMoARcPSD|30901232
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