Practice Free 300-510 Exam Online Questions
Refer to the exhibit.
An engineering team implemented IS-IS on the network, with several different areas. Recently, router R6 in area 3 has been experiencing excessive CPU usage. To reduce the load, a network engineer implemented route summarization on R2 However. R6 is still receiving the full routes from all routers.
Which action must the engineer take to resolve the excessive CPU usage?
- A . Configure routers R3 and R5 to send summary routes to R6.
- B . Configure the Level 2 router R6 to manage summarization for the network
- C . Configure router R1 to send only the default route to R2 and R4.
- D . Configure all routers as Level 1/2 routers so that route summarization functions throughout the network
Refer to the exhibit.
An engineer has configured all routers in the environment to run IS-IS Level 1 and Level 2 routing. The engineer wants traffic from R1 to R5 to pass via R2. but IS-IS routing has calculated the best path via R4.
Which action corrects the problem?
- A . Configure routers R1, R4, and R5 for Level 2 routing only.
- B . Set the link metric for the link from router R1 to router R4 to 30 or more.
- C . Set the link metric on R2 for the links from router R2 to routers R3 and R4 to 30 or more.
- D . Configure routers R1, R2, and R5 for Level 1 routing only.
What is a feature of SR-PCE?
- A . It learns the topology information via OSPF or IS-IS only
- B . It learns the topology information via OSPF or IS-IS or through BGP-LS.
- C . It uses the IGP metric in its path calculations to optimize reachability.
- D . It uses the TE metric in its calculations to optimize the cumulative TE metric
What are two differences between OSPF and IS-IS? (Choose two.)
- A . OSPF is a link-state routing protocol, and IS-IS is a distance-vector routing protocol.
- B . OSPF uses a router ID to identify a router, and IS-IS uses a system ID.
- C . OSPF elects a DR and a BDR, and IS-IS elects a DIS.
- D . Unlike OSPF. IS-IS supports virtual links.
- E . Unlike IS-IS routers, an OSPF router belongs to only one area in addition to the backbone area.
Which expression, when used with the as-path-set command, matches the AS path attribute of the route?
- A . neighbor-is
- B . dfa-regtex
- C . ios-regex
- D . Length
Refer to the exhibit.
Router R1 is expected to receive routes that originate from AS 65547 only.
However, R1 is receiving routes from AS 65547 and several other ASs that are directly attached to it.
Which change to the AS path permit filter corrects the problem?
- A . Change the regular expression to $.
- B . Change the regular expression to.*.
- C . Change the regular expression to _65547_.
- D . Change the regular expression to A65547$
Refer to the exhibit.
Router R1 is expected to receive routes that originate from AS 65547 only.
However, R1 is receiving routes from AS 65547 and several other ASs that are directly attached to it.
Which change to the AS path permit filter corrects the problem?
- A . Change the regular expression to $.
- B . Change the regular expression to.*.
- C . Change the regular expression to _65547_.
- D . Change the regular expression to A65547$
An engineer is working to implement segment routing protocol on the customer’s core network.
Which step should the engineer take before the segment routing is enabled and is running with BGP?
- A . Segment routing must be configured with ISIS.
- B . Segment routing must be configured with EIGRP.
- C . Explicit-null must be configured for all neighbors.
- D . MPLS must be configured.
A network engineer recently deployed a wireless network for users at a new office to join video conferences wirelessly. The existing network consists of routers that are configured for EIGRP and BGP. which are located at several data centers in different physical locations The engineer configured PIM-SSM within a single domain from a single source However, during the testing phase, the video conference failed to work for any of the users. The IPs are reachable and firewalls in the network are configured correctly to allow the traffic.
Which action resolves the issue?
- A . Configure PIM dense mode to replace P1M-SSM.
- B . Configure PIM dense mode with multidomain multicast
- C . Configure the devices to send join messages toward a multicast SPT
- D . Configure PIM sparse mode to replace PIM-SSM.
Refer to the exhibit.
An engineer working on a client’s network is trying to solve the BGP community issue on R1 and R2 routers. After displaying the BGP entries, the engineer notices that both routers still have different outputs.
Which action must the engineer perform to any of the routers to correct the problem and get the same output?
- A . Execute the Ip bgp-community new-format command in Router1.
- B . Remove the Ip bgp-community new-format command in Router1.
- C . Advertise the route to Router2 as standard community.
- D . Advertise the route to Router2 as extended community.
A
Explanation:
Reference: https://www.noction.com/blog/understanding-bgp-communities