Quiz 11

Which statement is true about Cisco IOS ping indicators?​ '!' indicates that the ping was unsuccessful and that the device may have issues finding a DNS server. 'U' may indicate that a router along the path did not contain a route to the destination address and that the ping was unsuccessful. '.' indicates that the ping was successful but the response time was longer than normal. A combination of '.' and '!' indicates that a router along the path did not have a route to the destination address and responded with an ICMP unreachable message.​

'U' may indicate that a router along the path did not contain a route to the destination address and that the ping was unsuccessful.

What is considered the most effective way to mitigate a worm attack? Change system passwords every 30 days. Ensure that all systems have the most current virus definitions. Ensure that AAA is configured in the network. Download security updates from the operating system vendor and patch all vulnerable systems

Download security updates from the operating system vendor and patch all vulnerable systems

A small company has only one router as the exit point to its ISP. Which solution could be adopted to maintain connectivity if the router itself, or its connection to the ISP, fails? Activate another router interface that is connected to the ISP, so the traffic can flow through it. Have a second router that is connected to another ISP. Purchase a second least-cost link from another ISP to connect to this router. Add more interfaces to the router that is connected to the internal network.

Have a second router that is connected to another ISP.

Match the type of threat with the cause. (Not all options are used.) hardware threats environmental threats electrical threats maintenance threats

Physical damage temperature extremes voltage spikes poor handling

Which command will block login attempts on RouterA for a period of 30 seconds if there are 2 failed login attempts within 10 seconds? RouterA(config)# login block-for 10 attempts 2 within 30 RouterA(config)# login block-for 30 attempts 2 within 10 RouterA(config)# login block-for 2 attempts 30 within 10 RouterA(config)# login block-for 30 attempts 10 within 2

RouterA(config)# login block-for 30 attempts 2 within 10

Refer to the exhibit. The exhibited configuration is entered by a network administrator into a new router. Sometime later a network technician proceeds to log in to the router via a console connection. The technician enters techadmin as the user name and tries a password of 63t0ut0fh3r3!. What will be the result of this action? The router will deny access and display an error message. The router will deny access and display a banner message. The router will display the DT_ATC_RS3> prompt. The router will be locked for 2 minutes and 30 seconds.

The router will display the DT_ATC_RS3> prompt.

On which two interfaces or ports can security be improved by configuring executive timeouts? (Choose two.) Fast Ethernet interfaces console ports serial interfaces vty ports loopback interfaces

console ports vty ports

How should traffic flow be captured in order to best understand traffic patterns in a network? during low utilization times during peak utilization times when it is on the main network segment only when it is from a subset of users

during peak utilization times

What is one of the most effective security tools available for protecting users from external threats? firewalls router that run AAA services patch servers password encryption techniques

firewalls

A particular website does not appear to be responding on a Windows 7 computer. What command could the technician use to show any cached DNS entries for this web page? ipconfig /all arp -a ipconfig /displaydns nslookup

ipconfig /displaydns

Which element of scaling a network involves identifying the physical and logical topologies? traffic analysis network documentation device inventory cost analysis

network documentation

Network services use ____________ to define a set of rules that govern how devices communicate and the data formats used in a network.

protocols

An administrator wants to back up a router configuration file to a USB drive that is connected to the router. Which command should the administrator use to verify that the USB drive is being recognized by the router? pwd cd USB dir flash0: show file systems

show file systems

A network technician is investigating network connectivity from a PC to a remote host with the address 10.1.1.5. Which command, when issued on a Windows PC, will display the path to the remote host? trace 10.1.1.5 traceroute 10.1.1.5 tracert 10.1.1.5 ping 10.1.1.5

tracert 10.1.1.5

What type of traffic would most likely have the highest priority through the network? FTP instant messaging voice SNMP

voice