Which of the following use PVCs at layer 2?
A.) X.25
B.) HDLC
C.) Frame relay
D.) ISDN
Answer / guest
Answer: C
Of the above choices, only Frame relay uses Permanent
Virtual Circuits
(PVCs) at layer 2. PVC is the key word in this question.
| Is This Answer Correct ? | 3 Yes | 0 No |
Port selection is done at which layer of OSI reference model?????
let there are three switch and there are 3 ree valn craed on each switch that is vlan 2 on first switch valn 3 on 2nd switch and vlan 4 is cretaed on switch 3 i have implemnted intervlan routin through ciso switchses. the router is conected through its fa0/1 port by one switch and and the two switch are trunked with each other now question is that we want to comuniacte betwwen vlan but does alse want that only vlan 2 is allow to access internet (ISP)which is conected through s0 interface of router.and no any vlan can access that internet.what should be solution.
Which layer is responsible for flow control, acknowledgement, and windowing? A.) Transport B.) Network C.) Application D.) Session E.) Physical F.) Data Link
Which configuration mode and command combination sets the bandwidth metric of a Frame Relay connection? A. router(config)# clock rate 56 B. router(config)# bandwidth 56 C. router(config)# bandwidth 56000 D. router(config)# clock rate 56000
Referring to the commands shown, what command must next be used on the branch router prior to traffic being sent to the router router?
How does PPP use LCP for link control?
Explain why ip address called logical address?
What command can you type to view the connections after telneting into multiple routers simultaneously? A.) sh users B.) sh ports C.) sh host D.) sh sessions
In STP the Root Bridge Sends the BPDU in Every 2 Sec,In BPDU What kind of Information is i.e. What kind of information BPDU Contains?
Which OSI layer defines end to end communication, segmentation and re-assembly? A.) Network B.) Transport C.) Physical D.) Application E.) Data-Link F.) Presentation
hello friend i have answerd more time of your question or doute.now i am seeing towards you for help,plz send the soln before monedya the problem is i have three router r1 and r2 and r3 they are conested in that maneer thai is r1---r2---r3---server | | server bothe server have diffrent ip now i have to implemnt access list on the r3 router in such a way that user from r1 can access only one server while user from r2 can access whole servre i ahve done it but both user of r1 and r2 uses all server i need help please help me this time? i have repalsced my firwall by r3 router so bacicaly i have to implement it on my firewall but you tell me on cisco router please help
What do the following commands accomplish? access-list 1 deny 172.16.4.0 0.0.0.255 access-list 1 permit any interface ethernet 0 IP access-group 1 out A. This will block traffic from subnet 172.16.4.0 and allow all other traffic. B. This will allow traffic from subnet 172.16.4.0 and block all other traffic. C. All traffic is allowed. D. All traffic is blocked.