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NEW QUESTION # 33
If you run PIM-SM in a multicast network, you need to build a multicast forwarding tree between the multicast source and the receiver to enable the receiver to receive the multicast effect, so what are the following options for the correct tree sketch for the build?
- A. Built between the RPT tree
- B. RP and the receiver is built between the RPT tree
- C. RP and the swap is the SPT tree
- D. What is built between the multicast source and the RP is the SPT tree
Answer: B,D
NEW QUESTION # 34
If a DR needs to be elected between multicast routers running PIM-SM to be responsible for the sending and receiving of source or member multicast data, which one is described correctly below for the DR election rule?
- A. PIM routers with small IP addresses are elected DR. PIM routers with low
- B. Compare the DR priority first; With the same priority, you need to compare the interface IP addresses of the PIM routers to elect dr
- C. DR priority values are elected DR.
- D. PIM routers with long interface masks are elected dr.
Answer: B
NEW QUESTION # 35
In route-policy, what are the BGP attributes that can be used for the apply clause?
- A. MED
- B. Local-Preference
- C. Day
- D. AS-Path
Answer: A,B,D
NEW QUESTION # 36
Which of the following tools cannot be referenced directly by the If-match clause in Route-policy?
- A. AS-path-filter
- B. IP-prefix
- C. Community-filt
- D. Regular expression
Answer: D
NEW QUESTION # 37
To achieve an on-machine migration in the BGP EVPN distributed gateway scenario, which of the following messages is required?
- A. Type3
- B. Type4
- C. Type2
- D. Typel
- E. Type5
Answer: C
NEW QUESTION # 38
If the receive cache of a switch's gigabit Ethernet interface is full, what protocol does the switch use to know that the remote interface delays sending data frames for a period of time?
- A. 8023af
- B. 8021U
- C. 0
- D. 8021D
- E. 8023Z
Answer: E
NEW QUESTION # 39
The following statement about the security alliance SA in IPSec is incorrect
- A. A two-way SA must exist between IPSec peers to establish an IPSec VPN connection
- B. SA is uniquely identified by a triple that includes the security parametric reference SPI (Security Parameter Inder), the source IP address, and the security protocol number (AH or ESP)
- C. Use the display ipsec command to view the encryption algorithm used with another IPSec peer, the traffic of interest, and so on.
- D. IPSec only supports encrypting data using symmetric encryption algorithms.
Answer: B
NEW QUESTION # 40
Users hope to be able to make the router forward and select messages according to their own defined policies on the basis of traditional route forwarding, and can adopt policy routing, and the following description of policy routing is incorrect
- A. Policy-based routing can be used to match message lengths
- B. Policy Routing cannot be used to set IP precedence
- C. Policy Routing can set the next hop IP address
- D. Policy Routing cannot be set in the next statement DSCP
Answer: B
NEW QUESTION # 41
What are the characteristics of Syslog information?
- A. The transmission of Syslog messages is secure
- B. The transmission of Syslog messages is not acknowledgable
- C. The transmission of Syslog messages is confirmable
- D. The transmission of Syslog messages is not secure
- E. The transmission of Sysiog messages is reliable
- F. The transmission of Syslog messages is unreliable
Answer: B,D,F
NEW QUESTION # 42
What kind of scenario can use AS-path-filter?( Multiple select).
- A. The if-match clause in Route-policy
- B. The apply clause in Route policy
- C. A Filters routes received from BGP neighbors based on the AS PATH attribute carried by the route, such as the command peer X.x.x.x as path-filter import
- D. Filter routes sent to BGP neighbors based on the AS PATH attribute that the route carries. For example, the command peer x.x.x.x as path-filter export
Answer: A,C,D
NEW QUESTION # 43
The rules for RR to publish routes break the rules for horizontal segmentation of IBGP, so it is possible to cause loops within the AS. What routing attributes does RR use to prevent loops?
- A. Originator ID
- B. Cluster List
- C. AS-PATH
- D. Nexthop
Answer: A,B
NEW QUESTION # 44
Which of the following options is described correctly for the assertion mechanism?( Radio).
- A. In the assertion mechanism, the loser will shut down the interface with the broadcast network necklace
- B. Winner's election process does not make IP address size a condition of the election
- C. The assertion mechanism is used for the election of DR
- D. In the assertion mechanism, the winner is responsible for forwarding multicast data to the broadcast segment
Answer: D
NEW QUESTION # 45
The following statement about isis a route leak of ISIS is correct?
- A. Route leaks for ISIS can only be applied to IPv4 environments.
- B. Route disclosure for ISIS is turned on by default.
- C. Route disclosure for ISIS avoids suboptimal paths.
- D. Route leaks for ISIS must be deployed on Level-1 routers
Answer: C
NEW QUESTION # 46
VPN instances are also known as VPN routing forwarding tables (PN Routing and Forwarding table), and there are multiple route forwarding tables on the PE, including a public route forwarding table, one or more VPN route forwarding tables, and VPNv4 Route forwarding table.
- A. False
- B. TRUE
Answer: B
NEW QUESTION # 47
What mechanisms or techniques can VRRP combine with to monitor uplink connectivity?
- A. BFD
- B. Interface trace
- C. IP-link
- D. NQA
Answer: A,B,D
NEW QUESTION # 48
The following description of the RD attribute filter for BGP is correct?
- A. If RD-filter is not configured, but the RD-filter is referenced for filtering, the matching result is deny.
- B. There is always an "or" relationship between the rules configured by RD-filter.
- C. Multiple rules are matched in the order in which they are configured.
- D. If RD-filter is configured, but the routed RD is not matched with any of the RDs defined in the rule, the default match result is permit.
Answer: B,C
NEW QUESTION # 49
There are two Communily filters: ip comimuniy-lite lpemit 101201 ip community fiter 2permit101 ip commmuriyfilter 2pemit21 Regarding the above ommuniyfiter, the correct description is ?( Multiple choice questions).
- A. As long as the group attribute value carried in the BGP route contains 100:1 or 200:1, or both, the BGP route matches the community-filterl
- B. As long as the group attribute value carried in the BGP route contains 100:1 or 200:1, or both, the BGP route matches community-filter2
- C. The BGP route matches community-filter 1 only if the community attribute values carried in the BGP route contain 100:1 and 200:1
- D. A BGP route matches community-filter2 only if the group attribute values carried in the BGP route include 100:1 and 200:1
Answer: B,C
NEW QUESTION # 50
Regarding the difference between NSR and NSF, the correct one is?
- A. NSF does not require a neighbor router to complete
- B. NSF must rely on neighbor routers to complete
- C. The NSR must rely on a neighbor router to complete
- D. Both NSR and NSF require a neighbor router to complete
Answer: B
NEW QUESTION # 51
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