What are the advantages of a layered model in the networking industry?
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When would you use ISDN? A.) To connect LANs using POTS B.) To support applications requiring voice, data, and video C.) When you need a consistent and very high rate of data speed D.) To connect to IBM mainframes
What is the purpose of the Data Link?
What is the default switching method for the Cisco 5000 series? A.) Cut-through B.) Store-and-splice C.) Latency D.) Store-and-forward
Which show underrate serial 1 status statement indicates that the shutdown command was issued on that interface? A. Serial 1 is up line protocol is up B. Serial 1 is up line protocol is down C. Serial 1 is down line protocol is down D. Serial 1 is administratively down the line protocol is down
What is true about frame-relay DLCI? A.) DLCI represents a single physical circuit B.) DLCI is optional in all frame-relay networks C.) DLCI identifies a logical connection between DTE devices D.) DLCI is used to tag the beginning of a frame with VLAN information
You can access three forms of WAN services with Cisco routers. Select the three forms: A. Switched or relayed services B. Interface front end to IBM enterprise data center computers C. Using protocols that connect peer-to-peer devices like HDLC or PPP encapsulation. D. IPX/SPX E. NetBEUI
Regarding frame relay, which of the following statements are true? A.) You must use ANSI encapsulation if connecting to non-Cisco equipment B.) You must use IETF encapsulation if connecting to non-Cisco equipment C.) You must use Q.933a encapsulation if connecting to non-Cisco equipment D.) You must use Cisco encapsulation if connecting to non-Cisco equipment
What is osi reference model?
There are 2 types of PPP authentication supported by the Cisco IOS. What are they? A.) PAP B.) PREDICTOR C.) MD5 D.) CHAP E.) STACKER F.) MSCHAP
Which ipsec rule is used for the olympia branch and what does it define? (Choose two)
What three occurrences will reset the holddown timer after a triggered update? A.) Infinity is finally defined as some max number B.) HD Timer expires C.) Another update is received indicating a better metric D.) The router receives a processing task proportional to the number of links in the internetwork E.) The router detects fault LSP's propagating through the internetwork F.) Another update is received indicating net status changed
What causes a triggered update to reset the router hold-down timer?