Which of the following three protocols replace SDLC?
A. 802.2
B. HDLC
C. QLLC
D. X.25
Answer / guest
Answer: B, C, and D
SDLC was modified to create HDLC. QLLC and X.25 replace SDLC
in the SNA protocol stack.
| Is This Answer Correct ? | 2 Yes | 0 No |
What are two services that DUAL (Diffusing Update Algorithm) performs for EIGRP? A. Provides loop-free operation throughout an entire route?s computation B. Simultaneous synchronization of routers involved in a topology change C. Updates the autonomous system number D. Allows advertised distances to use feasible distances
What PPP frame initiates the network layer protocols to be used during a connection?
When designing a flat switched network you can have: A. the same number of IP and IPX nodes without performance degradation B. more IP than IPX nodes on the same segment C. more IPX than IP nodes on the same segment D. more AppleTalk than IP nodes on the same segment
How does the Spanning Tree Protocol (STP) prevent bridging loops? A. By not allowing any redundant paths within the network B. By calculating the metrics of each path C. By detecting and logically blocking redundant paths from the network D. By creating virtual LANS
What AppleTalk protocol permits AppleTalk workstations to share files across a network?
What should be looked at first to determine if a customer should switch from a hub environment to a switched environment? A. Investigate the number of broadcasts B. Investigate the number of collisions C. Determine what routing loops are present D. Determine which switching type is being used by the hubs
Which address is updated at each hop in the path in path switching?
ISDN is referenced by a suite of ITU-T (International Telecommunication Union Telecommunication Standardization Sector) standards encompassing what three layers of the OSI reference model? A. Physical B. Data Link (LAPD) C. Data Link (RMON) D. Network (Q.930 and Q.931)
In an ATM network, which type of device is in a LAN per ELAN (Emulated LAN)? A. LAN Emulation Workstation B. LAN Emulation Router C. LAN Emulation Server D. LAN Emulation Bridge
What device initiates a session in an X.25 network? A. DTE B. DCE C. PSE D. PAD
The following are the four steps in establishing an X.25 virtual circuit. Place them in the correct order. A. The PSE (Packet Switch Exchange) passes the packet to the next remote DCE B. The local DCE packet binder sends packet to the closest PSE (Packet Switch Exchange) C. The source DTE sends packet to the local DCE D. The remote DCE examines the packet header of destination DTE
6. Which of these statements best describes VPLS ?