Cisco certification 642-661 the latest exam questions and answers

In order to meet the demand of most of the IT employees, IT-Tests's IT experts team use their experience and knowledge to study the past few years Cisco certification 642-661 exam questions. Finally, IT-Tests's latest Cisco 642-661 simulation test, exercise questions and answers have come out. Our Cisco 642-661 simulation test questions have 95% similarity answers with real exam questions and answers, which can help you 100% pass the exam. If you do not pass the exam, IT-Tests.com will full refund to you. You can also free online download the part of IT-Tests's Cisco certification 642-661 exam practice questions and answers as a try. After your understanding of our reliability, I believe you will quickly add IT-Tests's products to your cart. IT-Tests.com will achieve your dream.

IT-Tests's products can not only help you successfully pass Cisco certification 642-661 exams, but also provide you a year of free online update service，which will deliver the latest product to customers at the first time to let them have a full preparation for the exam. If you fail the exam, we will give you a full refund.

Exam Code: 642-661

Exam Name: Cisco (CCIP Configuring BGP on Cisco Routers (BGP))

IT-Tests.com has special training tools for Cisco certification 642-661 exam, which can make you do not need to spend a lot of time and money but can get a lot of knowledge of IT technology to enhance your skills in a short time. And soon you will be able to prove your expertise knowledge and technology in IT industry. IT-Tests's training courses for Cisco certification 642-661 exam is developed by the study of IT-Tests.com experts team to use their knowledge and experience.

Cisco certification 642-661 exam is one of the many IT employees' most wanting to participate in the certification exams. Passing the exam needs rich knowledge and experience. While accumulating these abundant knowledge and experience needs a lot of time. Maybe you can choose some training courses or training tool and spending a certain amount of money to select a high quality training institution's training program is worthful. IT-Tests.com is a website which can meet the needs of many IT employees who participate in Cisco certification 642-661 exam. IT-Tests's product is a targeted training program providing for Cisco certification 642-661 exams, which can make you master a lot of IT professional knowledge in a short time and then let you have a good preparation for Cisco certification 642-661 exam.

Those who want to prepare for the IT certification exam are helpless. But they have to do it. So they have restless state of mind. However, With IT-Tests.com Cisco 642-661 exam training materials, the kind of mentality will disappear. With IT-Tests.com's Cisco 642-661 exam training materials, you can be brimming with confidence, and do not need to worry the exam. Of course, you can also face the exam with ease. This is not only psychological help, but more importantly, it allows you to pass the exam and to help you get a better tomorrow.

If you want to buy Cisco 642-661 exam information, IT-Tests.com will provide the best service and the best quality products. Our exam questions have been authorized by the manufacturers and third-party. And has a large number of IT industry professionals and technology experts, based on customer demand, according to the the outline developed a range of products to meet customer needs. Cisco 642-661 exam certification with the highest standards of professional and technical information, as the knowledge of experts and scholars to study and research purposes. All of the products we provide have a part of the free trial before you buy to ensure that you fit with this set of data.

642-661 (CCIP Configuring BGP on Cisco Routers (BGP)) Free Demo Download: http://www.it-tests.com/642-661.html

NO.1 Refer to the exhibit. What effect will the route-map PEER-FILTER have on the route
24.11.62.0/24 with a community of 10:100 injected by the peer router in AS632?
A.weight will be set to 100
B.weight will be set to 150
C.local preference will be set to 105
D.weight will be set to 100, local preference will be set to 105
E.weight will be set to 150, local preference will be set to 105
Correct:A

Cisco   642-661 practice test   642-661 test answers

NO.2 What can cause a single sourced iBGP route not to be selected as the best route?
A.The BGP MED is 0.
B.The BGP next-hop is unreachable.
C.The BGP origin is incomplete.
D.The BGP weight is 0.
E.The BGP local preference is 0.
F.BGP synchronization is disabled.
Correct:B

Cisco   642-661 practice test   642-661 test answers

NO.3 What are two purposes of the BGP scan-time command? (Choose two.)
A.to tune the BGP process which walks the BGP table and confirms the reachability of next hops
B.to allow faster detection of downed BGP peers
C.to improve BGP convergence time
D.to tune the BGP update interval
E.to decrease the effects of unstable routes by increasing the route suppression time
Correct:A C

Cisco   642-661 practice test   642-661 test answers

NO.4 When creating iBGP multipaths which three criteria must be met by multiple paths to the same
destination? (Choose three.)
A.Router IDs must be the same on all routers.
B.Each destination must have a different next-hop address.
C.The destination AS-number must be different for each destination.
D.Multi-exit discriminator attributes must be the same on all paths.
E.Interior Gateway Protocol distance must be identical on each path.
Correct:B D E

Cisco   642-661 practice test   642-661 test answers

NO.5 In the diagram, the customer is using BGP to connect to a single ISP over two permanent links.
In this scenario, which input and output prefix-list filtering is typically enabled on the ISP routers?
(Choose two.)
A.ip prefix-list test-in permit 10.1.1.0/24 le 32
B.ip prefix-list test-in permit 10.0.0.0/8 le 32
C.ip prefix-list test-in permit 0.0.0.0/0
D.ip prefix-list test-out permit 10.1.1.0/24 le 32
E.ip prefix-list test-out permit 10.0.0.0/8 le 32
F.ip prefix-list test-out permit 0.0.0.0/0
Correct:A F

Cisco   642-661 practice test   642-661 test answers

NO.6 Which BGP configuration option is designed to reduce router processing load caused by
unstable routes?
A.neighbor {ip-address} maximum-prefix {number}
B.bgp dampening
C.no sync
D.bgp deterministic-med
E.sync
F.bgp scan-time
Correct:B

Cisco   642-661 practice test   642-661 test answers

NO.7 Look at the picture.
Correct:
Green choice6---->Yellow Choice1
Green choice1---->Yellow Choice2
Green choice3---->Yellow Choice3
Green choice5---->Yellow Choice4
Green choice4---->Yellow Choice5
Green choice2---->Yellow Choice6

Cisco   642-661 practice test   642-661 test answers

NO.8 Look at the picture.
Correct:
Green choice1---->Yellow Choice1
Green choice1---->Yellow Choice4
Green choice1---->Yellow Choice5
Green choice2---->Yellow Choice2
Green choice2---->Yellow Choice3

Cisco   642-661 practice test   642-661 test answers

NO.9 Which configuration will enable the R1 router in the AS51003 sub-AS (member-AS) as a route
reflector with neighbors 10.1.1.1 and 10.2.2.2 as its route-reflector clients?
A.! R1 router bgp 51003 bgp confederation identifier 55111 bgp confederation peers 51001 51002
neighbor 10.1.1.1 remote-as 51003 neighbor 10.2.2.2 remote-as 51003 neighbor 10.1.1.1
route-reflector-client neighbor 10.2.2.2 route-reflector-client
B.! R1 router bgp 51003 bgp confederation identifier 55111 bgp confederation peers 51001 51002
neighbor 10.1.1.1 remote-as 51001 neighbor 10.2.2.2 remote-as 51002 neighbor 10.1.1.1
route-reflector-client neighbor 10.2.2.2 route-reflector-client
C.! R1 router bgp 55111 bgp confederation identifier 51003 neighbor 10.1.1.1 remote-as 51003 neighbor
10.2.2.2 remote-as 51003 neighbor 10.1.1.1 route-reflector-client neighbor 10.2.2.2 route-reflector-client
D.! R1 router bgp 55111 bgp confederation identifier 51003 neighbor 10.1.1.1 remote-as 55111 neighbor
10.2.2.2 remote-as 55111 neighbor 10.1.1.1 route-reflector-client neighbor 10.2.2.2 route-reflector-client
Correct:A

Cisco   642-661 practice test   642-661 test answers

NO.10 Which two configuration commands will complete the BGP configuration on R1 so it will
conditionally announce the 172.0.0.0/8 prefix to R4 via BGP? (Choose two.)hostname R1!!output
omitted!1. ___________________________!router bgp 65001neighbor 172.16.1.1 remote-as
65001neighbor 2.2.2.2 remote-as 65001neighbor 4.4.4.4 remote-as 387!2.
____________________________!
A.2. network 172.16.0.0auto-summary
B.2. network 172.0.0.0 mask 255.0.0.0
C.1. ip route 172.0.0.0 255.0.0.0 null0
D.1. ip route 172.0.0.0 255.0.0.0 null0 255
E.1. ip route 172.0.0.0 255.0.0.0 172.16.1.1
F.2. aggregate-address 172.0.0.0 mask 255.0.0.0
Correct:B E

Cisco   642-661 practice test   642-661 test answers

NO.11 Look at the picture.
Correct:
Green choice1---->Yellow Choice1
Green choice3---->Yellow Choice2
Green choice2---->Yellow Choice3
Green choice6---->Yellow Choice4

Cisco   642-661 practice test   642-661 test answers

NO.12 How can you prevent multihomed customers with connections to two service providers from
acting as a transit AS?
A.Enable BGP synchronization on all the customer routers.
B.Use MED to influence the inbound traffic from the ISPs.
C.Use static routing to the ISPs.
D.Use an AS-path access-list to filter the BGP updates to the ISPs.
E.Use conditional advertisements when sending BGP updates to the ISPs.
Correct:D

Cisco   642-661 practice test   642-661 test answers

NO.13 Lab
Correct:

Cisco   642-661 practice test   642-661 test answers

NO.14 Based on the following show ip bgp neighbors 2.2.2.2 output, which two statements are true?
(Choose two.)R1#show ip bgp neighbors 2.2.2.2BGP neighbor is 2.2.2.2, remote AS 102, internal
linkIndex 1, Offset 0, Mask 0x2BGP version 4, remote router ID 66.0.0.1BGP state=Established,
table version=1, up for 00:14:52Last read 00:00:52, hold time is 180, keepalive interval is 60
secondsMinimum time between advertisement runs is 5 secondsReceived 233 messages, 0
notifications, 0 in queueSent 206 messages, 0 notifications, 0 in queuePrefix advertised 0,
suppressed 0, withdrawn 0Connections established 17; dropped 16Last reset 00:15:02, due to
User reset18 accepted prefixes consume 576 bytes, maximum limit 20Threshold for warning
message 80%0 history paths consume 0 bytes
A.R1 has accepted 20 prefixes from the 2.2.2.2 IBGP neighbor.
B.R1 generated a warning message to the router's console after the 2.2.2.2 IBGP neighbor sent 16
prefixes to R1.
C.R1 generated a warning message to the router's console after the 2.2.2.2 IBGP neighbor sent 15
prefixes to R1.
D.R1 will drop its neighbor relationship to the 2.2.2.2 IBGP neighbor if 2.2.2.2 sends two more additional
prefixes to R1.
E.R1 will drop its neighbor relationship to the 2.2.2.2 IBGP neighbor if 2.2.2.2 sends three more additional
prefixes to R1.
Correct:B E

Cisco   642-661 practice test   642-661 test answers

NO.15 Which command is used to configure the external, confederation-wide AS number?
A.router(config)#router bgp {as-number}
B.router(config-router)#bgp confederation peers {as-number}
C.router(config-router)#bgp confederation identifier {as-number}
D.router(config-router)#bgp cluster-id {as-number}
E.router(config-router)#neighbor {ip address} remote-as {as-number}
Correct:C

Cisco   642-661 practice test   642-661 test answers

NO.16 The neighbor {ip-address} maximum-prefix {maximum number} command prevents which
router condition?
A.frequent BGP session resets
B.routing instability
C.asymmetric routing
D.CPU and memory exhaustion
E.route flaps
Correct:D

Cisco   642-661 practice test   642-661 test answers

NO.17 Which two of the following are true regarding the BGP Prefix-Based outbound route filtering
feature? (Choose two.)
A.IP multicast routes are not supported.
B.Outbound route filtering is configured only on a per-address family basis.
C.Outbound route filtering can be configured for either iBGP or eBGP sessions.
D.The outbound route filter can be defined in a Prefix list, Distribute list or Access lists.
E.Outbound route filtering is more effective when a distance vector IGP is used.
Correct:A B

Cisco   642-661 practice test   642-661 test answers

NO.18 Which two of these statements about hierarchical route reflectors are correct? (Choose two.)
A.A route reflector can be a client of another route reflector.
B.Each cluster within the hierarchy can only contain one route reflector.
C.The hierarchy can be as deep as needed.
D.A route reflector can have clients in different clusters.
E.Hierarchical route reflectors are set up using three levels (access, distribution, and core layers).
Correct:A C

Cisco   642-661 practice test   642-661 test answers

NO.19 Based on the R1 router BGP configuration shown, which three statements are correct?
(Choose three.)
A.R1 is in AS 50101 according to the 192.168.100.1 neighbor.
B.R1 is in AS 50101 according to the 10.1.1.1 neighbor.
C.The 192.168.100.1 neighbor must be directly connected to R1.
D.R1 is a route-reflector client.
E.The 10.4.4.4 neighbor is an EBGP neighbor.
F.BGP updates coming in from the 192.168.100.1 neighbor must be processed by the setlp route-map.
Correct:A C F

Cisco   642-661 practice test   642-661 test answers

NO.20 Which of these situations best describe when to use the AS number translation feature?
A.All single-homed customers are using public AS numbers.
B.All single-homed customers are using private AS numbers.
C.All multihomed customers are using public AS numbers.
D.All multihomed customers are assigned different AS numbers from different ISPs.
Correct:D

Cisco   642-661 practice test   642-661 test answers

You have seen IT-Tests.com's Cisco 642-661 exam training materials, it is time to make a choice. You can choose other products, but you have to know that IT-Tests.com can bring you infinite interests. Only IT-Tests.com can guarantee you 100% success. IT-Tests.com allows you to have a bright future. And allows you to work in the field of information technology with high efficiency.