CCNA,CCNP,and,Cisco,Security,Q computer CCNA, CCNP, and Cisco Security Questions: BGP Attributes, S
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Here are some short answer Cisco certification exam practice questions to help you prepare for success on exam day! Answers are at the end of the article. No peeking!CCNA Certification And CCENT Certification:Whether were routing or switching, were always glad to have all the redundancy we can get! With switches, were particularly happy to have multiple paths between two given points. Redundancy does present a potential problem with switches, however.Three questions for you:What potential issue does this topology pose? What protocol can help avoid that issue?Assuming the switches are running at their defaults, what do we need to do to enable that protocol?.CCNA Security Certification / CCNP ISCW Exam:What is the net effect of the following configuration?R1(config)#access-list 110 permit tcp any 10.0.0.0 0.255.255.255R1(config)#ip tcp intercept list 110CCNP Certification / BSCI Exam:What's the main difference between the following two BGP community values?NO-EXPORTNO-ADVERTISE .CCNP Certification / BCMSN Exam:What command will assign a MAC address of 11-22-33-44-55-66 to the virtual router in HSRP group 5? CCNP / ONT Exam: What's the basic purpose of Voice Activity Detection?Here are the answers!CCNA / CCENT Answers: If these redundant paths are all open at the same time, we have the potential for switching loops to form. The Spanning-Tree Protocol (STP) helps to prevent these loops. If these Cisco switches are at their default, we don't need to do anything to enable STP - it's enabled by default.CCNA Security / ISCW Answer: To configure an ACL to define the source and destination of packets that should be subject to TCP Intercept, write the ACL and then apply it with the ip tcp intercept list command. Most likely, you'll specify a source of "any", as I did in the above example.BSCI Answer: NO-EXPORT: Marking a route with this community attribute prevents it from being advertised to an eBGP peer.NO-ADVERTISE: Taking the previous community one step further, this community attribute prevents the route from being advertised to ANY other router.BCMSN Answer: On rare occasions, you may have to change the MAC address assigned to the virtual router. This is done with the standby mac-address command. Just make sure you're not duplicating a MAC address that's already on your network!ONT Answer: VAD detects voice activity, and perhaps more importantly, it detects when there is no voice activity. When there is no talking on a call using VAD, no audio packets are transmitted. Studies show that a normal conversation is 35 - 40% silence, VAD can give us big-time bandwidth savings as well as cutting down on overall traffic.Look for more Cisco practice exam questions and fully-illustrated tutorials on my website!
CCNA,CCNP,and,Cisco,Security,Q