Knowledge Assessment #2
TACACS+
Network engineer Alonzo needs to troubleshoot at a remote corporate facility across the WAN. Which of the following user authentications would be the best to implement?
Cable certifier
Sylvia suspects a cable labeled as CAT 6 by a previous tech might not be up to standard. What tool enables her to test her theory?
Latency
Big Dave, a network technician, is troubleshooting a wireless network. Some of the WAPs in a building have consistently high ping times across the units. What is another name for this problem?
Social engineering
Having the proper security policies and adequate training for employees protects your network from which of the following?
Placement
Network administrator Julius is going to install an 802.11n network. Which of the following should he consider first?
IP filtering
Network administrator Zordon wants to ensure that the only remote users who access the corporate network come only from Zordon's own country. Which of the following security measures could he configure to accomplish this?
Identify affected areas of the network
Sam calls in complaining that "the internet is down," which probably means his computer has lost it's network connection. What should you do first to begin troubleshooting this problem?
Automatically assigns IP configuration parameters to TCP/IP hosts
Select the answer that completes this true statement: "A DHCP server __________."
The Scoobydoobydo.com DNS server; the root DNS server; the .AU DNS server; the Pussycats.au DNS server
Thelma is trying to send an e-mail from her server at Thelma.scoobydoobydo.com to her friend Josie at Josie.Pussycats.au. In what order is the request routed through the relevant DNS servers to resolve the names?
Honeynet
Your company wants to test the security of your network by allowing attackers to hit a fake network that you create. Which technology would you need to use?
Verify that the switch has power
A company's network consists of a primary switch at one end of the office building and a secondary switch at the other end of the building. These switches are networked together. The office experiences a brownout only affecting the half of the building connected to the secondary switch. When power is restored, users connected to the secondary switch report no network or Internet connectivity. Which of the following should be verified on the secondary switch to resolve this issue?
Unidirectional
A rancher wants to use a wireless camera he has installed in his barn, which is about 100 yards from his house. What kind of antennas should he use on the house and barn to get the best signal?
Router that connects to the switch
A switch on your SOHO network has three VLANs. The first computer connects to the switch on VLAN 8, the second computer connects to the switch on VLAN 9, and a printer connects on VLAN 10. Which of the following is needed to let all the devices communicate with each other while still being cost effective?
Syslog
An organization has an ever-expanding array of network devices. They have determined it is too time-consuming to log into each device to collect error information. Network administrator Geraldine says that she can set up a server that will capture errors from each device automatically. Which of the following technologies would best fit this requirement?
DNS is not configured correctly
Melissa can connect remotely to her office through a VPN. The connection seems to be set up properly, but she can't access shared folders on any other computer by name. She can ping the other servers successfully. What could be the problem?
Channel bonding
One of the features of the 802.11n wireless protocol enables the use of multiple simultaneous frequencies in order to increase usable bandwidth. What is the name of this technology?
Honeypot
What would you call a single computer used to prevent real attacks against production networks by luring hackers into revealing their methods?
You need to FTP your IP data to most routers
Which of the following is not true about how a gateway router may get an IP address assigned to its WAN port?
Kerberos
Which of the following services is most likely to need an NTP server?
Speed and duplex have not been set
Zelda is a network technician who just installed a new 10/100/1000 switch. Users are reporting to the server administrator that servers connected to the new switch seem to have slow LAN performance. Zelda checks the port connecting the new switch to the core switch and sees the following information: #show run interface GigabitEthernet0/10, Switchport trunk encapsulation dot1q, Switchport mode trunk, and Switchport trunk native VLAN 10. Which of the following is the most likely cause of the slow connections?
