Chapter 3 Exam - Chapter 3 Data Link and Network Layers Exam Review of attempt 1 Started on Monday 08:26 AM Completed on Monday 08:34 AM Time taken

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Chapter 3 - Data Link and Network Layers Exam Review of attempt 1 Started on Monday, June 13, 2011, 08:26 AM Completed on Monday, June 13, 2011, 08:34 AM Time taken 7 mins 32 secs Marks 26/26 Grade 100 out of a maximum of 100 ( 100 %) Question 1 Marks: 1 ____ is considered a premium service connection, offering a service that appears as a “virtual lease line” between end points. Choose one answer. a. Expedited Forwarding b. High Drop Precedence c. Medium Drop Precedence d. Low Drop Precedence Correct Marks for this submission: 1/1. Question 2 Marks: 1 A router uses ____ to determine what packet to send when several packets are queued for transmission from a single-output interface. Choose one answer. a. proxy ARP b. precedence
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c. preamble d. frames Correct Marks for this submission: 1/1. Question 3 Marks: 1 On a network that is low on available bandwidth, the ____ processcauses more traffic on the wire. Choose one answer. a. data encapsulation b. error-detection c. circuit switching d. fragmentation retransmission Correct Marks for this submission: 1/1. Question 4 Marks: 1 ____ is a protocol used by many Internet service providers (including telecommunications companies and cable TV operators) to authenticate and manage broadband subscribers. Choose one answer. a. X.25 b. ATM c. PPPoE d. Frame relay Correct Marks for this submission: 1/1. Question 5 Marks: 1 When a packet is fragmented, all fragments are given different TTL values. Answer: TrueFalse Correct Marks for this submission: 1/1. Question 6
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Marks: 1 ____ is a method that allows an IP host to use a simplified subnetting.
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This note was uploaded on 08/01/2011 for the course CNS 1 taught by Professor Idk during the Spring '11 term at Texas State Technical Colleges.

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Chapter 3 Exam - Chapter 3 Data Link and Network Layers Exam Review of attempt 1 Started on Monday 08:26 AM Completed on Monday 08:34 AM Time taken

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