Chapter 11: Switching & Virtual LANS

Question 1

What would be used to configure switches and routers to store usernames and passwords remotely? pg. 362

Answer 1

AAA server

Question 2

If you add port security on a switch port, how does it restrict port access? pg. 363

Answer 2

MAC address

Question 3

What 3 things does port security enable for the Network Administrator? pg. 363

Answer 3

limit the dynamically assigned MAC addresses to a port, set static MAC addresses, set penalties for users who abuse security policy

Question 4

Name a switch feature that can help prevent your devices from communicating with illegitimate DHCP servers? pg. 364

Answer 4

DHCP Snooping

Question 5

Why is DHCP Snooping a prerequisite of ARP inspection? pg. 364

Answer 5

bindings table

Question 6

____ is a port channel technology originally developed by Cisco as switch-to-switch technology for grouping several Fast Ethernet or Gigabit Ethernet ports into one logical channel. pg. 364

Answer 6

EtherChannel

Question 7

Unlike PAgP, LACP is ___. pg. 365

Answer 7

nonproprietary

Question 8

What is PoE and PoE+? pg. 366

Answer 8

Power over ethernet technology describes a system for transmitting electrical power, along with data, to remote devices over standard twisted-pair cable in an Ethernet network

Question 9

What is this technology used for powering? pg. 366

Answer 9

VoIP, wireless LAN access points, network cameras, remote network switches, embedded computers

Question 10

What can you use if you don’t have switch with PoE? pg, 367

Answer 10

power injector

Question 11

Port mirroring is also called __ __ __ and __ __. pg. 368

Answer 11

Switch Port Analyzer (SPAN) and Remote SPAN

Question 12

What does SPAN allow you to do? pg. 369

Answer 12

place a port span mode so that every frame from Host A is captured by both Host B and the sniffer

Question 13

What does RSPAN do for SPAN? pg. 370

Answer 13

extends SPAN by enabling remote monitoring of multiple switches across the network