16-17

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Role of IPS

Detecting and blocking attacks in real time

packet filtering

Prevents or allows access based on IP or MAC addresses

application filtering

Prevents or allows access by specific application types based on port numbers

An employee complains that a Windows PC cannot connect to the Internet. A network technician issues the ipconfig command on the PC and is shown an IP address of 169.254.10.3. Which two conclusions can be drawn? (Choose two.)

The PC cannot contact a DHCP server. The PC is configured to obtain an IP address automatically.

A student wants to save a router configuration to NVRAM. What is the best command to use to accomplish the task?

copy running-config startup-config

A teacher is having difficulties connecting his PC to the classroom network. He needs to verify that a default gateway is configured correctly. What is the best command to use to accomplish the task?

ipconfig

A user wants to know the IP address of the PC. What is the best command to use to accomplish the task?

ipconfig

A support technician needs to know the IP address of the wireless interface on a MAC. What is the best command to use to accomplish the task?

ipconfig getifaddr en0

An administrator is troubleshooting connectivity issues and needs to determine the IP address of a website. What is the best command to use to accomplish the task?

nslookup

Students who are connected to the same switch are having slower than normal response times. The administrator suspects a duplex setting issue. What is the best command to use to accomplish the task?

show interfaces

A network technician is troubleshooting an issue and needs to verify the IP addresses of all interfaces on a router. What is the best command to use to accomplish the task?

show ip interface brief

Which command can an administrator execute to determine what interface a router will use to reach remote networks?

show ip route

A network technician is troubleshooting an issue and needs to verify all of the IPv6 interface addresses on a router. What is the best command to use to accomplish the task?

show ipv6 interface

Only employees connected to IPv6 interfaces are having difficulty connecting to remote networks. The analyst wants to verify that IPv6 routing has been enabled. What is the best command to use to accomplish the task?

show running-config


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