Which address is updated at each hop in the path in path
switching?
Answer / guest
Answer: Media Access Control (MAC)
At each hop, the Data Link layer or Media Access Control
(MAC) addresses change. On the other hand, Network layer
addresses stay the same from the source all the way through
to the destination.
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The following are examples of proactive network management except: A. Allocate sufficient staff time B. Troubleshooting and solving system problems C. Generate reports D. Identify Problems
6. Which of these statements best describes VPLS ?
Which condition does not create LAN media problems? A. Protocol doesn?t scale well B. Long wait for the token C. Excessive collisions D. Too many devices
Which of the following three protocols replace SDLC? A. 802.2 B. HDLC C. QLLC D. X.25
What is the technique used by a router that can automatically initiate and close a circuit-switched session? A. PLP B. LAPP C. ASN.1 D. DDR
Diagramming application information flow is important because: A. it helps identify heavy traffic paths B. it helps figure out why email gets from one place to another C. it can tell you when to purchase a new router D. it can tell you when to purchase a new switch
What are two true statements regarding DDR (Dial-on-Demand Routing)? A. Allows a router to automatically initiate and end a circuit-switched session B. DDR cannot be configured because it is set with a default configuration C. Can configure it to be used during non-peak hours D. Can only be used with Cisco PIX
Which two LAN switching features apply to store-and-forward switches? A. CRC B. Frame length C. Source address D. Collision Windows
What layer of the OSI reference model does TCP reside in? A. Session B. Transport C. Network D. Data-Link
When are SNMP traps sent? A. When the SNMP manager wants to perform remote configuration on a networking device B. When an SNMP agent wants to inform the SNMP manager about a change of state on the networking device C. When the SNMP manager wants to access large chunks of data D. When the NMS wants to share trap information
What are three LAPB features supported by SDLC? A. Frame types B. Frame format C. Field functions D. ABM
When would you suggest static routes to your customers? A. When scalability is important B. When bandwidth is limited C. When the network will be changing frequently D. Always suggest static routes