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NEW QUESTION 168
The network "200.10.10.0/24" requires 3 loopbacks, 2 point to point links, one Ethernet with 50 stations, and one Ethernet with 96 stations. Which of the options listed below would be the most efficient (for saving IP addresses)?
- A. 200.10.10.1/32, 200.10.10.2/32, 200.10.10.3/32, 200.10.10.4/30, 200.10.10.8/30, 200.10.10.64/26, 200.10.10.128/25
- B. 200.10.10.0/32, 200.10.10.1/32, 200.10.10.2/32, 200.10.10.4/31, 200.10.10.8/31, 200.10.10.64/26, 200.10.10.128/25
- C. There are not enough addresses available on that network for these subnets.
- D. 200.10.10.1/32, 200.10.10.2/32, 200.10.10.3/32, 200.10.10.4/31, 200.10.10.8/31, 200.10.10.64/27, 200.10.10.128/26
- E. 200.10.10.1/31, 200.10.10.2/31, 200.10.10.3/31, 200.10.10.4/30, 200.10.10.8/30, 200.10.10.64/27, 200.10.10.128/26
Answer: A
NEW QUESTION 169
Router HW1 is seeing a large number of Discard Eligible (DE) frames. In Frame-relay, as part of the Congestion-Control Mechanism, the DE bit works in conjunction with which of the following mechanisms?
- A. Type-of-service (ToS) settings
- B. Frame-relay Traffic Shaping (FRTS) settings
- C. Differentiated Services Code Point (DSCP) settings
- D. Forward Explicit Congestion Notification (FECN) or Backward Explicit Congestion Notification (BECN) settings
- E. Class-of-Service (CoS) settings
Answer: D
NEW QUESTION 170
A network device CPU is attacked by malicious traffic. Which of the following methods can prevent such attacks? (Multiple Choice)
- A. Restrict the rate of packets sent to the CPU.
- B. Analyze packets sent to the CPU and find the user or interface that initiates the attack.
- C. Use CPCAR settings to limit the rate of packets sent to the CPU/ based on the protocol type, r E.
Disable the remote login function of the router. - D. Use ACL to filter data packets on the attacked router port.
Answer: A,B,C
NEW QUESTION 171
Which of the following are found in a basic Network Layer Packet? (Multiple Choice.)
- A. Network Layer Trailer
- B. Upper Layer Data
- C. Path records
- D. Network Layer Header
- E. Data Link Layer Header
Answer: A,B,D
NEW QUESTION 172
Two routers configured to run BGP have been connected to a firewall, one on the inside interface and one on the outside interface. BGP has been configured so the two routers should peer, including the correct BGP session endpoint addresses and the correct BGP session hop-count limit (EBGP multihop). What is a good first test to see if BGP will work across the firewall?
- A. Ping from the router connected to the inside interface of the firewall to the router connected to the outside interface of the firewall. If you can ping between them, BGP should work, since BGP uses IP to transport packets.
- B. There is no way to make BGP work across a firewall without special configuration, so there is no simple test that will show you if BGP will work, other than trying to start the peering session.
- C. Attempt to Telnet from the router connected to the inside of the firewall to the router connected to the outside of the firewall. If telnet works, BGP will work, since telnet and BGP both use TCP to transport data.
- D. There is no way to make BGP work across a firewall.
Answer: C
NEW QUESTION 173
The following information about the MPLS label describes the error?
- A. By default, the support device PHP PHP Egress 3 feature, supported point allocation, the second-to-last
hop point, the section label value - B. If the bottom label stack in the identifier is S=0 IP, it indicates that the label stack label is directly
forwarded. - C. When the label value is 0, IPv4, the label is displayed. The label should be played, and the text must be
based on the report. - D. The length of the MPLS 4 label is encapsulated between the link layer of the road and the network.
Answer: B
NEW QUESTION 174
Which of the following are differences between PIM-SM and PIM-DM? (Multiple Choice)
- A. Whether in PIM-SM or PIM-DM mode, receiver hosts must join multicast groups through IGMP.
- B. PIM-SM is applicable to a network with few receivers; PIM-DM is applicable to a network with a larger number of receivers.
- C. PIM-SM has RFTs and SFTs but PIM-DM has only RFTs.
- D. BSRs/RPs exist only on a PIM-SM network, not on a PIM-DM network.
Answer: A,B,D
NEW QUESTION 175
Two community filters are configured as follows:
ip community-filter 1 permit 100:1 200:1
ip community-filter 2 permit 100:1
ip community-filter 2 permit 200:1
Which of the following statements regarding the community filters are true? (Choose two.)
- A. A BGP route matches community-filter 2 only when it carries the Community attribute values of 100:1 and
200:1. - B. A BGP route matches community-filter 2 only when it carries the Community attribute values of 100:1 and
200:1, or both. - C. A BGP route matches community-filter 1 only when it carries the Community attribute value of 100:1 or
200:1, or both. - D. A BGP route matches community-filter 1 only when it carries the Community attribute values of 100:1 and
200:1.
Answer: B,D
NEW QUESTION 176
To reduce the amount of OSPF data and routing information in some areas, OSPF has special area types.
Which of the following statements regarding OSPF special areas is true?
- A. The AS-external-LSA can be advertised to a stub area
- B. Any OSPF area can be configured as a special area
- C. A router in a special area cannot establish an OSPF neighbor relationship with a router in a common area
- D. The ASBR-summary-LSA can be advertised to an NSSA
Answer: B
NEW QUESTION 177
OSPF is running on a network. In OSPF, what LSA type would only cause an Incremental SPF calculation? (Multiple Choice)
- A. Type 2
- B. Type 4
- C. Type 1
- D. Type 3
- E. Type 5
Answer: B,D,E
NEW QUESTION 178
Which of the following statements regarding MPLS is false?
- A. The MPLS label is 20 bits long and is used for packet forwarding.
- B. When an IP packet is transmitted on an MPLS network that uses TTL processing in pipe mode, the TTL value of the IP packet decrements by 1 only at the ingress and egress nodes of the MPLS network.
- C. MPLS supports multi-layer nesting. The value of the S bit of the innermost label is 1.
- D. The label space range of dynamic signaling protocols such as LDP and MP-BGP from 16 to 1023.
Answer: B
Explanation:
Explanation
NEW QUESTION 179
Which of the following statements regarding IS-IS LSP fragment extension is true?
- A. LSP fragment extension is implemented by adding virtual systems, with a maximum of 1000 virtual systems supported.
- B. An IS-IS router can generate a maximum of 1024 LSP fragments.
- C. LSP fragment extension is also valid for Hello PDUs.
- D. LSP fragment extension enables an IS-IS router to generate multiple LSP fragments to carry more IS-IS information.
Answer: D
NEW QUESTION 180
Which of the following route selection tools is BGP-specific?
- A. Route-policy
- B. ACL
- C. AS-path-filter
- D. IP-prefix
Answer: C
NEW QUESTION 181
Regular expressions can be used in Community-filter and AS-Path-filter to filter routes.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 182
Based on the key configurations, as shown in the figure, R1 and R2 establish a Level-2 neighbor relationship.
Which of the following statements regarding routing entries on R2 are true?
- A. 2022:: /64 will not be displayed in the IP routing table.
- B. 2019:: /64 will not be displayed in the IP routing table.
- C. 2020:: /64 will be displayed in the IP routing table.
- D. 2021:: /64 will be displayed in the IP routing table.
Answer: C
Explanation:
Explanation/Reference:
NEW QUESTION 183
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