Cisco 400-101 Free Practice Questions

Q4. Which three configuration settings must match for switches to be in the same MST region? (choose three.

A. VLAN names

B. password

C. revision number

D. VLAN-to-instance assignment

E. region name

F. domain name

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Q5. What can PfR passive monitoring mode measure for UDP flows?

A. loss

B. delay

C. reachability

D. throughput

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Q6. Which two statements about WRED are true? (Choose two)

A. It is a packet-classification mechanism

B. It drops IP traffic before non-IP traffic

C. It is most useful with adaptive traffic

D. It is a congestion-management mechanism

E. It is a congestion-avoidance mechanism

F. It can be configured on the same interface as WFQ

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Q7. Which two statements about EIGRP load balancing are true? (Choose two.)

A. EIGRP supports 6 unequal-cost paths

B. A path can be used for load balancing only if it is a feasible successor

C. EIGRP supports unequal-cost paths by default.

D. Any path in the EIGRP topology table can be used for unequal-cost load balancing.

E. Cisco Express Forwarding is required to load-balance across interfaces.

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Q8. Which two events occur when a packets is decapsulated in a GRE tunnel? (Choose two.)

A. The source IPv4 address in the IPv4 payload is used to forward the packet.

B. The destination IPv4 address in the IPv4 payload is used to forward of the packets.

C. The version field of the GRE header is incremented.

D. The GRE keepalive mechanism is reset.

E. The TTL of the payload packet is incremented.

F. The TTL of the payload is discremented.

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Q9. which two statements about root guard and loop guard are true?(choose two)

A. Loop guard uses its own keep alives to prevent loops by detecting failures

B. Root guard disables an interface only when a superior BPDU is received

C. Loop guard uses BPDU keep alives to determine unidirectional traffic

D. When loop guard is enabled, the port is transitioned to the root-inconsistent state

E. Root guard should be enabled on an upstream interface

F. Loop guard uses its own keep alives to determine unidirectional traffic

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Q10. which type of access-list will allow incoming traffic for sessions that originated from within your network?

A. reflexive ACLs

B. time-based ACLs

C. dynamic ACLs

D. standard ACLs

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Q11. Which two hashing algorithms can be used when configuring SNMPv3? (Choose two)

A. MD5

B. SHA-1

C. Blowfish

D. DES

E. AES

F. SSL

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Q12. Refer to the exhibit.

Which data format is used in this REST API call?

A. XML

B. BASH

C. JSON

D. HTML

E. HTMLv5

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Q13. Refer to :

Which statement is true about a valid IPv6 address that can be configured on tunnel interface0?

A. 2001:7DCB:5901::/128 is a valid IPv6 address

B. There is not enough information to calculate the IPv6 address

C. 6to4 tunneling allows you to use any IPv6 address

D. 2002:7DCB:5901::/128 is a valid IPv6 address

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