What is the purpose of Split Horizon?
A.) It prevents the regular update messages from reinstating
a route
that has gone down
B.) Information received on an interface cannot be sent back
out the
same interface
C.) Informs all neighbor routers that two routes exist
D.) Tells the router the destination is unreachable
Answer / guest
Answer: B
Split Horizon - If you learn a protocol?s route on an
interface, do not
send information about that route back out that interface.
| Is This Answer Correct ? | 2 Yes | 0 No |
9. Which STP state prevents the use of looped paths? A. Blocking B. Listening C. Learning D. Forwarding
What are the 2 functions of the Data Link Mac layer? A.) Handles access to shared media B.) Manages protocol access to the physical network medium C.) Provides SAPs for higher level protocols D.) Allows multiple devices to uniquely identify one another on the data link layer
You have OSPF traffic flooding your network via one of your router interfaces. Write the access list line that will deny all ospf traffic. Don't worry about the other lines of the access list.
what is LAPB
Which layer is responsible for framing? A.) Application B.) Data Link C.) Physical D.) Network E.) Transport
How we ping ICMP a NIC with a correct IP address but with wrong MAC address Do all NIC's can run inpromiscuous mode
To prevent Service Advertisements (SAPs) from flooding a network, Cisco routers do not forward them. How are services advertised to other networks? A. Each router builds its own SAP table and forwards that every 60 seconds. B. Each router assigns a service number and broadcasts that. C. SAPs aren't necessary with Cisco routers. D. Cisco routers filter out all SAPs.
How do you find the parameters that you can use with the SHOW command? A.) ? show B.) show ? C.) debug show D.) help E.) sh?
What was the key reason the International Organization for Standardization released the OSI model? A. users could access network servers faster B. different vendor networks could work with each other C. the industry could create a standard for how computers work D. network administrators could increase the overall speed of their network
Given the following IP address from the Class B address range 172.35.21.12. Your network plan requires no more than 126 hosts on a shored. Which value should you use as the subnet mask? A. 255.255.0.0 B. 255.255.128.0 C. 255.255.126.0 D. 255.255.255.128 E. 255.255.255.252
What is an advantage of local area network (LAN) segmentation? A. smaller collision domains B. elimination of broadcasts C. decreased cost of implementation D. larger number of users within the same domain
Which command successfully pings an individual IP address? A. Router> ping 192.5.5.0 B. Router# ping 192.5.5.30 C. Router> ping 192.5.5.256 D. Router# ping 192.5.5.255