Cisco 400-201 Exam Question Answers

Question: 7

How many bits are expressed by";:" in the address 2D01:DB::C:B7BA:130B?

A. 16 bits
B. 32 bits
C. 40 bits
D. 44 bits
E. 48 bits
F. 56 bits
G. 64 bits

Answer: E

Question: 8

A Service Provider is designing control policies at the customer edge of the network, in order to prevent usage that exceeds the contracted terms. A new client that is contracted for only 2 Gbps is connecting to the Service Provider edge with a 10 Gbps interface. Which two QoS strategies meet the design goal? (Choose two.)

A. On the service Provider edge, enable traffic shaping on the customer port.
B. On the customer edge device, enable traffic shaping on the interface that is connected to the Service Provider.
C. On the customer edge device, enable policing on the interface that is connected to the Service Provider.
D. On the service Provider edge, enable policing on the customer port.
E. On the service Provider edge, enable WRED on the customer port.
F. On the customer edge, enable WRED on the interface that is connected to the Service Provider.

Answer: B,D

Question: 9

An engineer is connecting a new 10-Gbps Ethernet link. Which type of transceiver must the engineer purchase that is the current industry standard?

A. GBIC
B. XFP
C. X2
D. SFP

Answer: A

Question: 10

The product team at an ISP that offers VoIP services wants to add two-way video conferencing to their product offering. Which three QoS methods can be applied for real-time traffic on WAN links with speeds that are slower than 768 Kbps? (Choose three.)

A. Apply MLP link fragmentation and interleaving to the interface.
B. Apply LLQ with both voice traffic and video traffic in the same priority queue.
C. Apply CBWFQ with VoIP traffic in its own class, which is marked with a PHB value of EF.
D. Apply CBWFQ with video traffic in its own class, which is marked with a PHB value of AF41.
E. Apply voice-adaptive fragmentation to ensure that large video packets are fragmented and interleaved.
F. Apply LLQ with video traffic that is dedicated in the priority queue.

Answer: A,C,D

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Question: 2

Which is one difference between H-VPLS and VPLS?

A. VPLS is a point-to-point Layer-2 services and H-VPLS is a multipoint Layer-2 services.
B. H-VPLS reduces signaling overhead and packet replication requirementsfor the provider edge.
C. VPLS improve scalability concerns identified on H-VPLS implementation.
D. H-VPLS connects using also other Layer-2 encapsulation such as PPP and VPLS connects using Ethernet encapsulation only

Answer: B

Question: 3

A service provider is managing a CE router that is used to segment multiple customers into dedicated
VRFs. OSPF is used as the F protocol. The managed CE does not have the customers' routes in its RIB. To
allow the CE to install these routes, which command i implemented?

A. local-rib-criteria
B. no prefix-suppression
C. capability vrf-lite
D. domain-id <value>

Answer: C

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Question: 4

Network Operations team has configured the routers with the logging buffered warnings command. Which three severity levels appear in the router syslog? (Choose three.)

A. errors
B. notifications
C. informational
D. alerts
E. debugging
F. emergencies

Answer: A,D,F

Question: 5

What is NETCONF?

A. It is a standard for installing, manipulating and deleting configuration of network devices.
B. it is a Cisco proprietary solution to help remove the time, cost and manual steps involved in network
element configuration.
C. It is data modeling language, to help remove the time, cost and manual steps involved in network element
configuration.
D. It is a new recommendation which writes device specific CLI scripts while keeping flexibility in a vendor
dependence environment.

Answer: A

Question: 6

An IS-IS enabled router with multiple IS-IS neighbors is required to have BFD sessions with all neighbors. Which BFD mode should you use when you want to save the overhead of  periodic protocol control packets?

A. echo
B. asynchronous
C. demand
D. active

Answer: C

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