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| Section | Objectives |
|---|---|
| Topic 1: IPv6 Technologies | - IPv6 Fundamentals
|
| Topic 2: Network Services | - Address Translation
|
| Topic 3: Switching Technologies | - LAN Switching
|
| Topic 4: Routing Technologies | - IP Routing Basics
|
| Topic 5: Network Management and Maintenance | - Device Management
|
| Topic 6: WAN Technologies | - Point-to-Point Connections
|
| Topic 7: Network Fundamentals | - OSI Reference Model
|
| Topic 8: Network Security | - Access Control
|
1. Which part of the subnet division technology is implemented on the basis of the natural classification of IP address division?
A) prefix part
B) Subnet number part
C) Network number part
D) host number part
2. In the OSI reference model, encryption is a function of ______.
A) Session layer
B) Physical layer
C) Transport layer
D) Presentation layer
3. Which of the following routing protocols only cares about the distance and direction to the destination network segment? (multiple choice)
A) OSPF
B) IGP
C) RIPv2
D) RIPv1
4. Two MSR routers are connected via Ethernet and serial interfaces respectively, as shown in the figure. The PPP link layer protocol is running on the serial link, and OSPF is running on the two routers, and both belong to Area 0. At the same time, the three network segments on each router (GE interface network segment) are published in Area 0 through the network command. , Serial interface network segment, LAN network segment);
At present, the OSPF neighbors on both ends are stable, so ______. (Multiple choice)
A) As long as the OSPF Cost values of the GE interface and the serial interface of the two routers are correctly modified, then two equal-value routes to each other's LAN will be formed on RTA and RTB.
B) All the above statements are correct
C) If the OSPF Cost value is not modified, then the LAN segment from RTA to RTB will be the GE link
D) On the GE link, RTA and RTB will still conduct DR and BDR elections
5. The information displayed by the display fr map-info command is as follows:
[RTA]display fr map-info
Map Statistics for interface Serial1/0 (DTE)
DLCI 30, Point-to-Point DLCI, Serial1/0.1
created at: 2008/09/17 17:46:59, status: ACTIVE
DLCI 40, Point-to-Point DLCI, Serial1/0.2
created at: 2008/09/17 17:48:22, status: INACTIVE
The correct statement below is ______.
A) All items are correct.
B) Both PVCs shown in the displayed information have been established.
C) The router is used as a user-side device.
D) Two point-to-point sub-interfaces are created under the interface Serial1/0.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: C,D | Question # 4 Answer: A,B,C,D | Question # 5 Answer: C,D |
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