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- Question
You have two switches connected together with two crossover cables for redundancy, and STP is disabled. Which of the following will happen between the switches?
Options- A. The routing tables on the switches will not update.
- B. The MAC forward/filter table will not update on the switch.
- C. Broadcast storms will occur on the switched network.
- D. The switches will automatically load-balance between the two links.
- Correct Answer
- Broadcast storms will occur on the switched network.
ExplanationIf spanning tree is disabled on a switch and you have redundant links to another switch, broadcast storms will occur, among other possible problems. - 1. Which command will create a dynamic pool named Todd that will provide you with 30 global addresses?
Options- A. ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.240
- B. ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.224
- C. ip nat pool todd 171.16.10.65 171.16.10.94 net 255.255.255.224
- D. ip nat pool Todd 171.16.10.1 171.16.10.254 net 255.255.255.0 Discuss
- 2. To enable EIGRP, which of the following would you use?
- Router1(config-if)# ipv6 ospf 10 area 0.0.0.0
- Router1(config-if)# ipv6 router rip 1
- Router1(config)# ipv6 router eigrp 10
- Router1(config-rtr)# no shutdown
- Router1(config-if)# ipv6 eigrp 10
Options- A. 1, 3 and 5
- B. 3, 4 and 5
- C. 1 and 3
- D. 5 only Discuss
- 3. Which of the following is true regarding access lists applied to an interface?
Options- A. You can place as many access lists as you want on any interface until you run out of memory.
- B. You can apply only one access list on any interface.
- C. One access list may be configured, per direction, for each layer 3 protocol configured on an interface.
- D. You can apply two access lists to any interface. Discuss
- 4. A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?
Options- A. Send a different source port number.
- B. Restart the virtual circuit.
- C. Decrease the sequence number.
- D. Decrease the window size. Discuss
- 5. Which of the following protocols are used to configure trunking on a switch?
- VLAN Trunk Protocol
- VLAN
- 802.1Q
- ISL
Options- A. 1 only
- B. 3 only
- C. 3 and 4
- D. 1, 3 and 4 Discuss
- 6. You need to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface of the router for this connection?
Options- A. Router(config-if)#encapsulation frame-relay q933a
- B. Router(config-if)#encapsulation frame-relay ansi
- C. Router(config-if)#encapsulation frame-relay ietf
- D. Router(config-if)#encapsulation frame-relay cisco Discuss
- 7. If you delete the contents of NVRAM and reboot the router, what mode will you be in?
Options- A. Privileged mode
- B. Global mode
- C. Setup mode
- D. NVRAM loaded mode Discuss
- 8. If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?
Options- A. The lowest IP address of any physical interface
- B. The highest IP address of any physical interface
- C. The lowest IP address of any logical interface
- D. The highest IP address of any logical interface Discuss
- 9. Which of the following protocols support VLSM, summarization, and discontiguous networking?
- RIPv1
- IGRP
- EIGRP
- OSPF
- BGP
- RIPv2
Options- A. 1 and 4
- B. 2 and 5
- C. 3, 4 and 6
- D. All of the above Discuss
- 10. How many non-overlapping channels are available with 802.11h?
Options- A. 3
- B. 12
- C. 23
- D. 40 Discuss
More questions
Correct Answer: ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.224
Explanation:
The command
ip nat pool <name> creates the pool that hosts can use to get onto the global Internet. What makes option B correct is that the range 171.16.10.65 through 171.16.10.94 includes 30 hosts, but the mask has to match 30 hosts as well, and that mask is 255.255.255.224. Option C is wrong because the pool name has a lower case "T" in the pool name. Pool name's are case sensitive.
Correct Answer: 3, 4 and 5
Explanation:
Unlike RIPng and OSPFv3, you need to configure EIGRP both from global configuration mode and from interface mode, and you have to enable the command with the
no shutdown command.
Correct Answer: One access list may be configured, per direction, for each layer 3 protocol configured on an interface.
Explanation:
A Cisco router has rules regarding the placement of access lists on a router interface. You can place one access list per direction for each layer 3 protocol configured on an interface.
Correct Answer: Decrease the window size.
Explanation:
A receiving host can control the transmitter by using flow control (TCP uses Windowing by default). By decreasing the window size, the receiving host can slow down the transmitting host so the receiving host does not overflow its buffers.
Correct Answer: 3 and 4
Explanation:
Cisco has a proprietary trunking protocol called ISL. The IEEE version is 802.1Q.
Correct Answer: Router(config-if)#encapsulation frame-relay ietf
Explanation:
If you have a Cisco router on one side of a Frame Relay network and a non-Cisco router on the other side, you would need to use the Frame Relay encapsulation type of IETF. The default is Cisco encapsulation, which means that a Cisco router must be on both sides of the Frame Relay network.
Correct Answer: Setup mode
Explanation:
If you delete the startup-config and reload the router, the router will automatically enter setup mode. You can also type
setup from privileged mode at any time.
Correct Answer: The highest IP address of any physical interface
Explanation:
At the moment of OSPF process startup, the highest IP address on any active interface will be the Router ID (RID) of the router. If you have a loopback interface configured (logical interface), then that will override the interface IP address and become the RID of the router automatically.
Correct Answer: 3, 4 and 6
Explanation:
RIPv1 and IGRP are true distance-vector routing protocols and can't do much, really-except build and maintain routing tables and use a lot of bandwidth! RIPv2, EIGRP, and OSPF build and maintain routing tables, but they also provide classless routing, which allows for VLSM, summarization, and discontiguous networking.
Correct Answer: 23
Explanation:
The IEEE 802.11h standard provides an addition 11 channels to the 802.11a standard's 12 non-overlapping channel for a total of 23 non-overlapping channels.
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