[2021-New] Cisco 400-101 Dumps With Update Exam Questions (481-490)

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Q1. Refer to the exhibit.

Which two statements about this egress queue are true? (Choose two.)

A. The queue 3 buffer is allocated 20 percent, its drop threshold is 100 percent, and it is guaranteed 400 percent of memory.

B. The queue 1 buffer is allocated 30 percent, its drop threshold is 25 percent, and it is guaranteed 100 percent of memory.

C. The queue 1 buffer is allocated 30 percent, its drop threshold is 100 percent, and it is guaranteed 150 percent of memory.

D. The queue 2 buffer is allocated 30 percent, its drop threshold is 200 percent, and it can use at maximum 400 percent of memory.

E. The queue 3 buffer is allocated 30 percent, its drop threshold is 100 percent, and it can use at maximum 400 percent of memory.

Answer: B,D

Q2. You are tasked with configuring a router on an OSPF domain to import routes from an EIGRP domain and summarize the routes to 192.168.64.0.

Which statement configures the summarized route and provides equal-path route redundancy?

A. area 32 range 192.168.64.0 255.255.192.0 cost 100

B. area 32 range 192.168.64.0 255.255.63.0 cost 100

C. area 32 range 192.168.64.0 255.255.64.0 cost 100

D. area 32 range 192.168.64.0 255.255.192.0 multi-path

Answer: A

Explanation:

area range

To consolidate and summarize routes at an area boundary, use the area range command in router configuration mode. To disable this function, use the no form of this command.

Syntax Description

area-id

Identifier of the area about which routes are to be summarized. It can be specified as either a decimal value or as an IP address.

ip-address

IP address.

mask

IP address mask.

advertise

(Optional) Sets the address range status to advertise and generates a Type 3 summary link-state advertisement (LSA).

not-advertise

(Optional) Sets the address range status to DoNotAdvertise. The Type 3 summary LSA is suppressed, and the component networks remain hidden from other networks.

cost cost

(Optional) Metric or cost for this summary route, which is used during OSPF SPF calculation to determine the shortest paths to the destination. The value can be 0 to 16777215.

Reference: http://www.cisco.com/c/en/us/td/docs/ios/12_2/iproute/command/reference/fiprrp_r/1rfospf. html#wp1017596

Q3. Which three statements about IPsec VTIs are true? (Choose three.)

A. IPsec sessions require static mapping to a physical interface.

B. They can send and receive multicast traffic.

C. They can send and receive traffic over multiple paths.

D. They support IP routing and ACLs.

E. They can send and receive unicast traffic.

F. They support stateful failover.

Answer: B,D,E

Q4. Which three events can cause a control plane to become overwhelmed? (Choose three.)

A. a worm attack

B. processing a stream of jumbo packets

C. a microburst

D. a configuration error

E. a reconvergence failure

F. a device-generated FTP session

Answer: A,D,E

Q5. Which BGP aggregate address configuration advertises only the aggregate address, with attributes inherited from the more specific routes?

A. summary-only as-set

B. as-set

C. summary

D. summary-only

Answer: A

Explanation:

Example:

router bgp 300

neighbor 2.2.2.2 remote-as 100

neighbor 3.3.3.3 remote-as 200

neighbor 4.4.4.4 remote-as 400

aggregate-address 160.0.0.0 255.0.0.0 summary-only as-set

!--- With the as-set configuration command, the aggregate

!--- inherits the attributes of the more-specific routes.

Reference: http://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/5441-aggregation.html

Q6. Refer to the exhibit.

The spokes of the DMVPN with the given configuration are having QoS issues.

Which two actions can you take to resolve the problem? (Choose two.)

A. Configure qos pre-classify on the tunnel interface.

B. Configure an NHRP group on the tunnel interface and associate it to a QoS policy.

C. Modify the configuration of the IPsec policy to accept QoS policies.

D. Manually configure a QoS policy on the serial interface.

E. Configure the bandwidth statement on the tunnel interface.

F. Configure the bandwidth statement on the serial interface.

Answer: A,B

Explanation:

It is possible to classify based on information that is encrypted, which is needed in this example. You can use an access-list, configured to match the private subnet behind the remote spoke. The qos pre-classify command is used on the tunnel interface, and is required because the traffic is classified by a parameter that is encrypted as the traffic leaves the physical outbound interface. L4 information from the IP data packet can also classify traffic destined to the same private subnet. The “nhrp map group group-name service-policy output parent-policy-name” command adds the NHRP group to the QoS policy map on the hub.

Q7. Which statement describes what it means if a router has an OSPF priority set to 0?

A. A router with the OSPF priority set to 0 is one that can participate in the election of a DR. It has the highest priority.

B. A router with the OSPF priority set to 0 is one that cannot participate in the election of a DR, but it can become a BDR

C. A router with the OSPF priority set to 0 is one that cannot participate in the election of a DR. It can become neither a DR nor a BDR.

D. A router with the OSPF priority set to 0 is one that cannot participate in the election of a BDR, but it can become a DR

Answer: C

Q8. Which two statements about IPsec VTI implementation are true? (Choose two.)

A. The IKE SA can be bound to the VTI and the crypto map.

B. The transform set can be configured only in tunnel mode.

C. SVTIs support only a single IPsec SA.

D. SVTIs support IPv4 packets that carry IPv6 packets.

Answer: B,C

Q9. Refer to the exhibit.

Which statement is true?

A. This is an MPLS TE point-to-multipoint LSP in an MPLS network.

B. This is an MPLS TE multipoint-to-point LSP in an MPLS network.

C. This is a point-to-multipoint LSP in an MPLS network.

D. This is a multipoint-to-multipoint LSP in an MPLS network.

Answer: D

Explanation:

Same example of this provided on slide 24 at the reference link below:

Reference: “mVPN Deployment Models” Cisco Live Presentation

http://d2zmdbbm9feqrf.cloudfront.net/2014/eur/pdf/BRKIPM-2011.pdf, slide 24

Q10. Which two statements about static NAT are true? (Choose two.)

A. An outside local address maps to the same outside global IP address.

B. An inside local address maps to a different inside global IP address.

C. An outside local address maps to a different outside global IP address.

D. An inside local address maps to the same inside global IP address.

Answer: A,D

Explanation:

Example found at the reference link below: Reference: http://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/4606-8.html