1: d. Spaced packets 2 3 Question 19 (1 point) Saved 6 What is the Ethernet transmission rate? . a. 10 Mbps b. 100 Mbps c. 1 Gbps d. Variable from 10 Mbps to 10 Gbps 11 12 14 15 Question 20 (1 point) What are the Internet's principal protocols? Question 5 (1 point) Saved What does API stand for? a. Application Protocol Interface b. Application Programming Interface c. Abstract Protocol Interface d. Abstract Programming Interface b. queuing delay c. transmission delay d. propagation delay Question 10 (1 point) Saved Which of the following physical media would provide the greatest transmission rate? O a. Twisted pairs b. Coaxial cables C. Fiber optics ch 3TONTate a. Twisted pairs b. Coaxial cables c. Fiber optics d. Satellite links Question 11 (1 point) Saved DSL uses existing cable network facilities for its networking service. drue alse Question 12 (1 point) arch a. m/s b. L/R c. m/s+ L/R d. 2 (m/s + L/R) Question 7 (1 point) Saved WiFi is by far the most prevalent access technology in corporate and university networks. Tye False Question 8 (1 point) Saved Today, most of the servers from which we receive search results, e-mail, Web pages, and videos reside in data centers Question 8 (1 point) Which of the following would not be a characteristic of circuit switching? a. call set-up b. statistical multiplexing c. resource reservation d. idle if not used by call 11 12 Question 9 (1 point) 14 15 is the rate (bits/time unit) at which bits are transferred between two end systems. 17 18 a. Bandwidth b. Throughput Question 4 (1 point) Saved Consider two hosts, A and B, connected by a single link of rate R bps. Suppose that the two hosts are separated by m meters, and suppose the propagation speed along the link is s meter/sec. Host A is to send a packet of size L bits to Host B. Ignoring processing and queuing delays, what is the end-to-end delay? a. m/s b. L/R c. m/s + L/R d. 2 (m/s + L/R) Question 5 (1 point) What is transmission delay? a. packet size / link capacity b, link capacity/ packet size Question 8 (1 point) Which of the following would not be a characteristic of circuit switching? a. call set-up b. statistical multiplexing c. resource reservation d. idle if not used by call 11 12 Question 9 (1 point) 14 15 is the rate (bits/time unit) at which bits are transferred between two end systems. 17 110 a. Bandwidth b. Throughput Which of the following can be an example of guided media? a. 3G b. Fiber optics c. LTE .) d. All of tim above a. m/s b. L/R c. m/s+ L/R d. 2 (m/s + L/R) Question 7 (1 point) Saved WiFi is by far the most prevalent access technology in corporate and university networks. Tye False Question 8 (1 point) Saved Today, most of the servers from which we receive search results, e-mail, Web pages, and videos reside in data centers Question 19 (1 point) Saved Modern computer networks utilize circuit switching technologies based on call set up for data exchange. True False Question 20 (1 point) Saved 11 12 Which of the following delay sources would be correlated with link capacity? a. processing delay b. queuing delay c. transmission delay 14 15 .d. propagation delay Question 21 (1 Question 1 (1 point) Saved A protocol does not define a the format of.messages exchanged . b. the minimal required bandwidth c. the order of messages exchanged d. the actions taken on packet transmission and/or reception nt) Save d. a switch 9 Question 11 (1 point) Saved 12 Which of the following is unlikely to be found in the network edge? a. a smartphone 15 b. a laptop c. a core router 18 d. a tablet Question 12 (1 point)
