Cisco 400-101 Exam Questions 2021

NEW QUESTION 1
What is the source MAC address of a BPDU frame that is sent out of a port?

• A. the lowest MAC address on the switch
• B. the highest MAC address on the switch
• C. the MAC address of the individual port that is sending the BPDU
• D. the same as the MAC address in the bridge ID

Answer: C

NEW QUESTION 2
DRAG DROP
Drag each statement about Cisco EEM policies on the left to the matching type of EEM policy on the right.

Answer:

Explanation:

NEW QUESTION 3
Refer to the exhibit. The PC is experiencing intermittent connectivity failures to the internet. If ADSL- R1 uses a PPPoE connection, what action can you take to correct the problem?

• A. Configure OSPF on the connection between PC1 and HomeS1
• B. Configure a system MTU of 1512 on ADSL-R1
• C. Configure an MTU of 1492 on the dialer interface on ADSL-R1
• D. Replace the dialer interface with a virtual template
• E. Configure the same OSPF process on HomeR1 and HomeS1

Answer: C

NEW QUESTION 4
Refer to the exhibit.

Router A is connected as BGP neighbor to routers B and C. Which path does router A use to get to AS 65010?

• A. through router C because it has a higher local preference.
• B. will load balance because both routes have the same Med value.
• C. through router B because the default local preference is 500 and higher than router C.
• D. through router B because ii has the shortest AS path.

Answer: A

NEW QUESTION 5
Refer to the exhibit.

Which two conclusions can you draw from this output? (Choose two.)

• A. The device that produced the output uses the same interface to send and receive traffic to and from the device at 10.9.132.254
• B. The device at 192.168.5.119 is on the same subnet as the next hop for the device at 10.9.132.254
• C. The device at the 192.168.5.119 routing table has an ARP entry for the device at 10.9.132.254
• D. The device that produced the output uses different interfaces to send and receive traffic to and from the device at 10.9.132.254
• E. The packet was source-routed

Answer: AB

NEW QUESTION 6
Which feature disables MPLS PE checks on a router running OSPF?

• A. A virtual-link
• B. The capability vrf-lite command
• C. An area filter
• D. A sham-link

Answer: B

NEW QUESTION 7
DRAG DROP
Drag each characteristics of PIM on the left to the matching PIM mode on the right. Select and Place:

Answer:

Explanation:

NEW QUESTION 8
Which set of commands conditionally advertises 172.16.0/24 as long as 10..1.10.10/32 is in the routing table?

• A. Option
• B. Option
• C. Option
• D. Option

Answer: A

NEW QUESTION 9
What are two general SDN characteristics? (Choose two)

• A. Southbound interfaces are interfaces used between the control plane and the data plane
• B. The separation of the control plane from the data plane
• C. Northbound interfaces are open interfaces used between the control plane and the data plane.
• D. OpenFlow is considered one of the first Northbound APls used by SDN controllers.
• E. OVSOB is an application database management protocol.

Answer: BC

NEW QUESTION 10
How does an EIGRP router respond when it receives a query for a route it is in the process of poisoning?

• A. It adds the route to its route table.
• B. It sends a poison squash message to the querying neighbor.
• C. It notifies the querying neighbor to add the route.
• D. It forwards the query to other neighbors.

Answer: B

NEW QUESTION 11
Which feature forces a new Diffie-Hellman key exchange each time data is transmitted over a IPsec tunnel?

• A. PFS
• B. rsa-encr authentication
• C. rsa-sig authentication
• D. 802.1x
• E. CRACK authentication

Answer: A

NEW QUESTION 12
Which two circumstances can cause unicast flooding? (Choose two)

• A. Multiple STP topology change events
• B. Implementing uRPF on the network
• C. Symmetrical routing
• D. MAC table overflow
• E. Multiple broadcast frames

Answer: BE

NEW QUESTION 13
Refer the exhibit.

Which option describes how a device with this configuration applies traffic matching?

• A. It matches all traffic in ACL 8
• B. It matches all traffic that has a DSCP marking of EF
• C. It matches all traffic in ACL 8 and all traffic that has a DSCP marking of EF
• D. It matches traffic in ACL 8 that has a DSCP marking EF
• E. It matches all traffic that has QoS markings

Answer: D

NEW QUESTION 14
DRAG DROP
Drag and drop the OSPFv3 LSA type on the left to the functionality it provides on the right.

Answer:

Explanation:

NEW QUESTION 15
Which problem can result when private AS numbers are included in advertisements that are sent to the global Internet BGP table?

• A. The prefixes sent with private AS numbers are always discarded on the Internet.
• B. The prefixes sent with private AS numbers are always tagged as invalid on the Internet.
• C. The prefixes sent with private AS numbers lack uniqueness, which can lead to a loss of connectivity.
• D. The prefixes sent with private AS numbers are sometimes tagged as invalid on the Internet.

Answer: C

NEW QUESTION 16
Which markup language is used to format Ansible’s playbook?

• A. NAML
• B. HTML
• C. XML
• D. ADML
• E. YAML

Answer: E

NEW QUESTION 17
Which two statements about 802.1 x authentications with EAP are true? (Choose two)

• A. The supplicant and authenticator server send a one-time password to the authenticator
• B. The authenticator server translates frames from the supplicant into a RADIUS message
• C. The authenticator can cache the username and password from the authentication server to reduce traffic
• D. The interface passes only EAPOL traffic until the client is authenticated
• E. It uses EAPOL frames between the supplicant and the authenticator

Answer: CD

NEW QUESTION 18
Refer to the exhibit.

Which additional configuration statement is required on R3 in order to allow multicast traffic sourced from 192.168.13.3 to flow along the shared -tree?

• A. ip mroute 10.4.4.4 255.255.255.255 Tunnel 0
• B. ip route 10.4.4.4 255.255.255.255 Tunnel 0
• C. ip route 192.168.14.0 255.255.255.0 Tunnel 0
• D. ip mroute 192.168.14.0 255.255.255.0 Tunnel 0

Answer: A

NEW QUESTION 19
Which command can you enter to disable logging for VTY lines?

• A. no logging console
• B. no logging trap
• C. no logging buffer
• D. no logging count
• E. no logging monitor

Answer: E