ExamGecko
Home Home / Cisco / 400-007

Cisco 400-007 Practice Test - Questions Answers, Page 2

Question list
Search
Search

List of questions

Search

Related questions











An enterprise network has two core routers that connect to 200 distribution routers and uses fullmesh IBGP peering between these routers as its routing method. The distribution routers are experiencing high CPU utilization due to the BGP process. Which design solution is the most cost effective?

A.

Implement route reflectors on the two core routers

A.

Implement route reflectors on the two core routers

Answers
B.

Increase the memory on the core routers

B.

Increase the memory on the core routers

Answers
C.

Implement e BGP between the core and distribution routers

C.

Implement e BGP between the core and distribution routers

Answers
D.

Increase the memory on the distribution routers

D.

Increase the memory on the distribution routers

Answers
E.

Increase bandwidth between the core routers

E.

Increase bandwidth between the core routers

Answers
Suggested answer: A

You want to mitigate failures that are caused by STP loops that occur before UDLD detects the failure or that are caused by a device that is no longer sending BPDUs. Which mechanism do you use along with UDLD?

A.

Root guard

A.

Root guard

Answers
B.

BPDU guard

B.

BPDU guard

Answers
C.

Loop guard

C.

Loop guard

Answers
D.

BPDU filtering

D.

BPDU filtering

Answers
Suggested answer: C

A multicast network is sing Bidirectional PIM. Which two combined actions achieve high availability so that two RPs within the same network can act in a redundant manner? (Choose two)

A.

Use two phantom RP addresses

A.

Use two phantom RP addresses

Answers
B.

Manipulate the administration distance of the unicast routes to the two RPs

B.

Manipulate the administration distance of the unicast routes to the two RPs

Answers
C.

Manipulate the multicast routing table by creating static mroutes to the two RPs

C.

Manipulate the multicast routing table by creating static mroutes to the two RPs

Answers
D.

Advertise the two RP addresses in the routing protocol

D.

Advertise the two RP addresses in the routing protocol

Answers
E.

Use anycast RP based on MSDP peering between the two RPs

E.

Use anycast RP based on MSDP peering between the two RPs

Answers
F.

Control routing to the two RPs through a longest match prefix

F.

Control routing to the two RPs through a longest match prefix

Answers
Suggested answer: A, F

Which purpose of a dynamically created tunnel interface on the design of IPv6 multicast services Is true?

A.

first-hop router registration to the RP

A.

first-hop router registration to the RP

Answers
B.

multicast client registration to the RP

B.

multicast client registration to the RP

Answers
C.

multicast source registration to the RP

C.

multicast source registration to the RP

Answers
D.

transport of all IPv6 multicast traffic

D.

transport of all IPv6 multicast traffic

Answers
Suggested answer: A

Refer to the exhibit.

ACME Mining has four data centers in Santiago. Cape Town. Mumbai, and Beijing, full-mesh connected via a 400 Mb/s EVP-LAN They want to deploy a new mission-critical application with these requirements: cluster heartbeat 2 Mb/s continuous (250 KB/s) cluster heartbeat one-way maximum latency 100 ms

These are the current ping tests results between the four data centers:

Which hosting data center pair can host the new application?

A.

Mumbai and Beijing

A.

Mumbai and Beijing

Answers
B.

Santiago and Cape Town

B.

Santiago and Cape Town

Answers
C.

Santiago and Mumbai

C.

Santiago and Mumbai

Answers
D.

Cape Town and Mumbai

D.

Cape Town and Mumbai

Answers
E.

Cape Town and Beijing

E.

Cape Town and Beijing

Answers
F.

Santiago and Beijing

F.

Santiago and Beijing

Answers
Suggested answer: D

How can EIGRP topologies be designed to converge as fast as possible in the event of a point-topoint link failure?

A.

Limit the query domain by use of distribute lists.

A.

Limit the query domain by use of distribute lists.

Answers
B.

Build neighbor adjacencies in a triangulated fashion.

B.

Build neighbor adjacencies in a triangulated fashion.

Answers
C.

Build neighbor adjacencies in squared fashion.

C.

Build neighbor adjacencies in squared fashion.

Answers
D.

Limit the query domain by use of summarization.

D.

Limit the query domain by use of summarization.

Answers
E.

Limit the query domain by use of default routes.

E.

Limit the query domain by use of default routes.

Answers
Suggested answer: D

Which effect of using ingress filtering to prevent spoofed addresses on a network design is true?

A.

It reduces the effectiveness of DDoS attacks when associated with DSCP remarking to Scavenger.

A.

It reduces the effectiveness of DDoS attacks when associated with DSCP remarking to Scavenger.

Answers
B.

It protects the network Infrastructure against spoofed DDoS attacks.

B.

It protects the network Infrastructure against spoofed DDoS attacks.

Answers
C.

It Classifies bogon traffic and remarks it with DSCP bulk.

C.

It Classifies bogon traffic and remarks it with DSCP bulk.

Answers
D.

It filters RFC 1918 IP addresses.

D.

It filters RFC 1918 IP addresses.

Answers
Suggested answer: B

Which relationship between IBGP and the underlying physical topology is true?

A.

iBGP full mesh requirement does not dictate any specific network topology.

A.

iBGP full mesh requirement does not dictate any specific network topology.

Answers
B.

iBGP can worn only on a ring network topology with a link-state protocol like OSPF or IS-IS

B.

iBGP can worn only on a ring network topology with a link-state protocol like OSPF or IS-IS

Answers
C.

iBGP full mesh requires an underlying fully meshed network topology.

C.

iBGP full mesh requires an underlying fully meshed network topology.

Answers
D.

iBGP does not work on a ring network topology even with an underlying IGP.

D.

iBGP does not work on a ring network topology even with an underlying IGP.

Answers
Suggested answer: A

Explanation:

iBGP peers can be multiple hops away. not like eBGP that needs direct connection (or ebgp-multihop defined). thus, only IP connectivity between two peers is required for an adjacency to form

How many fully established neighbour relationships exist on an Ethernet with five routers running OSPF as network type broadcast?

A.

5

A.

5

Answers
B.

6

B.

6

Answers
C.

7

C.

7

Answers
D.

10

D.

10

Answers
E.

20

E.

20

Answers
Suggested answer: C

Explanation:

Assuming routers R1-R5, R1 is elected DR, R2 BDR. Fully established neighborships only occur to DR and BDR, all other neighbors are in 2Way DR other state. DR|BDRFull relationships: R2-R1R3-R1R3-R2R4-R1R4-R2R5-R1R5-R2

Refer to the exhibit.

Traffic was equally balanced between Layer 3 links on core switches SW1 and SW2 before an introduction of the new video server in the network. This video server uses multicast to send video streams to hosts and now one of the links between core switches is over utilized Which design solution solves this issue?

A.

Add more links between core switches.

A.

Add more links between core switches.

Answers
B.

Aggregate links Layer 2 link aggregation.

B.

Aggregate links Layer 2 link aggregation.

Answers
C.

Apply a more granular load- balancing method on SW1.

C.

Apply a more granular load- balancing method on SW1.

Answers
D.

Apply a more granular load-balancing method on SW2.

D.

Apply a more granular load-balancing method on SW2.

Answers
E.

Filter IGMP joins on an over -utilized link.

E.

Filter IGMP joins on an over -utilized link.

Answers
Suggested answer: B
Total 330 questions
Go to page: of 33