Computer Networking
Layer 2 switching provides which of the following?1. Hardware-based bridging (ASIC)2. Wire speed3. Low latency4. Low cost

2 and 4
1 and 3
1, 2 and 4
All of these

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Computer Networking
Which of the following series of commands will restrict Telnet access to the router?

Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#access-class 10 out
Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#ip access-group 10 in
Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line con 0Lab_A(config-line)#ip access-group 10 in
Lab_A(config)#access-list 10 permit 172.16.1.1Lab_A(config)#line vty 0 4Lab_A(config-line)#access-class 10 in

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Computer Networking
ARP (Address Resolution Protocol) is

None of these
a protocol that handles error and control messages
a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
a protocol used to monitor computers
a TCP/IP high level protocol for transferring files from one machine to another

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