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)
Answer / guest
Answer: A, B, and D
ISDN is referenced by a suite of ITU-T (International
Telecommunication Union Telecommunication Standardization
Sector) standards encompassing the Physical, Data-Link
(LAPD), and Network (Q.930 and Q.931) layers of the OSI
reference model.
| Is This Answer Correct ? | 1 Yes | 0 No |
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
Distance Vector and Link-State protocols converge more quickly if: A. there is router redundancy B. there is router redistribution C. the update interval is set to its maximum D. the whole routing table is sent to announce changes
What are three ASN.1 (Abstract Syntax Notation One) data types? A. data feeds B. name C. syntax D. encoding
Regarding a full-mesh network and a partial-mesh network, what is the most accurate statement? A. Split Horizon will not work on a full-mesh network B. A full-mesh network is more expensive because more routers are used C. A partial-mesh network is less expensive because less virtual circuits are used D. Broadcasts are more plentiful on a partial-mesh network
Which Of the Statements best describes VPLS ?
What are two differences between 10BaseT and 100BaseT? A. Speed B. Frame format C. Addressing D. Network diameter
OSPF supports priority routing for which TCP/IP feature? A. PA B. TCP C. IP D. SNA
What type of address is analyzed by a Layer 2 switch? A. network address B. MAC and network address C. Protocol type, MAC, and network address D. MAC address
What is not a function of the distribution layer? A. Routing between VLANs B. Implement tools such as access lists, packet filtering, and queuing C. Implement security and network policies D. Provide workgroup/user access to the network
It is not necessary to build an entire network to prove your network design. A. True B. False
A device has 2 synchronous ports, 16 asynchronous ports, and one ethernet port. What is this device most likely to be? A. CSU/DSU B. Access Server C. Multiplexer D. ISDN Terminal Adapter
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