Proper study guides for Abreast of the times Cisco Deploying Cisco Service Provider Network Routing (SPROUTE) certified begins with Cisco 642-883 preparation products which designed to deliver the Virtual 642-883 questions by making you pass the 642-883 test at your first time. Try the free 642-883 demo right now.
Check 642-883 free dumps before getting the full version:
NEW QUESTION 1
Which router has the su 10.5.10.0/24 [20/115] entry pointing to NullO in its routing table and why? (Choose two.)
- A. CE5
- B. PE5
- C. PE6
- D. The router is summarizing 10.5.10.1/32 into 10.5.10.0/24
- E. The router is suppressing the 10.5.10.0/24 route
- F. The L2/L1 IS-IS router is blocking the 10.5.10.0/24 interarea route to the L1-only router
Answer: DF
Explanation:
# show clns route
NEW QUESTION 2
A network engineer must secure every BGP session within the autonomous system by enabling MD5 authentication. Which command implements authentication on network devices that run regular Cisco IOS?
- A. password encryptedpassword
- B. neighboripv4_addresspasswordpassword
- C. service password-encryption
- D. key chain md5
Answer: B
NEW QUESTION 3
Which statement best describes the function of a BGP af-group?
- A. Allows grouping and reuse of session-templates to simplify address-family configuration tasks.
- B. Allows common address family-specific configuration to be grouped together to simplify configuration tasks.
- C. Allows common address family-independant configuration to be grouped together to simplify configuration tasks.
- D. Allows grouping and reuse of neighbor-templates to simplify address-family configuration tasks.
Answer: B
NEW QUESTION 4
An engineer has two routers multihomed to the Internet via BGP. The first should be the primary path for all outbound traffic and the second should automatically become active in the event the primary goes offline. Which method to configure the routers is the most simple?
- A. Set the local-preference to be higher on the primary router.
- B. Set the local-preference to be lower on the primary router.
- C. Set the MED to be higher on the primary router than the backup.
- D. Set the primary router to have a higher weight than the backup.
Answer: A
NEW QUESTION 5
When using the Cisco IOS XR route policy language to define a logical if-then-else condition, which logical operator has the highest precedence?
- A. AND
- B. OR
- C. NOT
- D. IS
- E. IN
Answer: C
Explanation:
http://www.cisco.com/en/US/docs/ios_xr_sw/iosxr_r3.0/routing/configuration/guide/rc3rpl.ht ml
C:Documents and Settingsuser-nwzDesktop1.JPG
NEW QUESTION 6
A network engineer wants to set the local preference to 100 for the specific BGP community sets of 100:1, 101:1, and 102:1. Which option can the engineer use to implement this through RPL, where the BGP community set list is made by the name of lowpri-communities?
- A. route-policy ch-prefif community matches lowpri-communities then set local-preference 100endifend-policy
- B. route-policy ch-prefif community eq lowpri-communities then set local-preference 100endifend-policy
- C. route-policy ch-prefif community matches-any lowpri-communities then set local-preference 100endifend-policy
- D. route-policy ch-prefif community neq lowpri-communities then set local-preference 100endifend-policy
Answer: C
NEW QUESTION 7
DRAG DROP
- A. Mastered
- B. Not Mastered
Answer: A
Explanation:
Totally Stubby Area – O,OIA , OE1 or OE2 types of OSPf routes NSSA Totally Stubby – O, and O*IA types of OSPF routes
Stubby OSPF Area - O, OIA and O*IA types of OSPF routes NSSA – O,OIA , ON1 or ON2 types of OSPF Routes
NEW QUESTION 8
What is the configured IS-IS circuit-type between the CE5 and PE5 routers and between the PE5 and PE6 routers? (Choose two.)
- A. Circuittype L1 between CE5 and PE5 4
- B. Circuittype L1/L2 between CE5 and PE5
- C. Circuittype L2 between CE5 and PE5
- D. Circuittype L1 between PE5 and PE6
- E. Circuittype L1/L2 between PE5 and PE6
- F. Circuittype L2 between PE5 and PE6
Answer: AF
Explanation:
#show clns neighbor
NEW QUESTION 9
Refer to the exhibit.
The route-map shown in the exhibit is applied to updates received from a BGP neighbor. Which two statements are correct regarding the Cisco IOS route map configuration? (Choose two.)
- A. The local preference will be set to 200 AND the metric will be set to 1000 IF the route matches the PL1 OR PL2 prefix list AND the route also matches the AS path 1 access list.
- B. The three match conditions are logical AND: match prefix list PL1 AND PL2 AND match the AS path 1 access list.In AS
- C. The match prefix-list condition isa logical OR: match prefix list PL1 OR PL2.
- D. All routes that are not matched by the sequence 10 route map statement will be dropped.
- E. All match conditions are logical OR: match prefix list PL1 OR PL2 OR match the AS path 1 access list.
Answer: AB
NEW QUESTION 10
A service provider is running BGP with clients at the edge of the network. The service provider sees that routing updates from one site are being dropped when the other site receives them. Which feature fixes this issue?
- A. EBGP multihop
- B. inter-AS peering
- C. AS-override
- D. allow-AS in
Answer: C
NEW QUESTION 11
An engineer is working on routers within AS 100. Which regular expression can be used in an AS path access list to match locally originated routes from AS 100?
- A. ^100$
- B. ^$
- C. _100$
- D. ^[0-9]*$
Answer: B
NEW QUESTION 12
Which two unique attributes are used for the loop prevention mechanism when route reflectors are deployed in a network? (Choose two.)
- A. local preference
- B. originator-ID
- C. AS-path
- D. next-hop
- E. origin
- F. cluster-list
Answer: BE
NEW QUESTION 13
When monitoring the OSPF operations in the network, you notice that the OSPF process is not load balancing traffic across multiple OSPF links. Which configuration adjustment could be made to enable the OSPF process to load balance traffic across multiple OSPF links?
- A. Enable BFD on the OSPF interfaces and on the OSPF routing process.
- B. Enable NSR on the OSPF routing process.
- C. Enable NSF on the OSPF routing process.
- D. Adjust the OSPF cost on the OSPF interfaces.
- E. Adjust the OSPF variance parameter.
- F. Use the wide-style OSPF metric instead of the narrow-style OSPF metric.
Answer: D
NEW QUESTION 14
When configuring BGP on Cisco IOS XR Software, which address-family is enabled by default?
- A. IPv4 unicast
- B. IPv6 unicast
- C. VPNv4
- D. IPv4 unicast and IPv6 unicast
- E. IPv4 unicast and IPv6 unicast and VPNv4
- F. No address-family is enabled by default.
Answer: F
Explanation:
http://www.cisco.com/en/US/docs/ios_xr_sw/iosxr_r3.8/routing/command/reference/rr38bg p.pdf
An address family must be explicitly configured in the router configuration mode for the address family to be active in BGP. Similarly, an address family must be configured under the neighbor for the BGP session to be established for that address family. An address family must be configured in router configuration mode before it can be configured under a neighbor.
NEW QUESTION 15
Which three valid session commands are supported by peer session templates? (Choose three.)
- A. local-as
- B. as-override
- C. inherit peer-session
- D. inherit peer-policy
- E. disable-connected-check
- F. route-reflector-client
Answer: ACE
NEW QUESTION 16
Which ISP tier, also known as default-free, provides global reachability info?
- A. Tier 1 ISP
- B. Tier 0 ISP
- C. Tier 3 ISP
- D. Tier 2 ISP
Answer: A
NEW QUESTION 17
You are implementing OSPF as the IGP using a single OSPF area design. The router
memory usage for OSPF is too high. Which two methods can lower the OSPF memory usage? (Choose two.)
- A. Enable OSPF synchronization
- B. Implement multi-area OSPF
- C. Enable OSPF sham links to reduce the number of LSAs
- D. Implement route summarization on the ABRs
- E. Enable route leaking between Level 1 and Level 2 areas
Answer: BD
NEW QUESTION 18
Which reserved AS number or range of numbers is used for backward compatibility between old BGP peers using 16-bit AS number and new BGP peers using 32-bit AS number?
- A. AS 65001 to 65535
- B. AS 65512 to 65535
- C. AS 12345
- D. AS 23456
- E. AS 64001
Answer: D
Explanation:
http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6554/ps6599/4byte_asnios. pdf
New Reserved AS# AS_TRANS = AS #23456
2-byte placeholder for a 4-byte AS number
Used for backward compatibility between OLD and NEW BGP speakers
NEW QUESTION 19
Which statement is correct regarding the DR election process In this OSPF implementation?
- A. Both the CE5 and PE6 routers are DROTHERs
- B. PE5 is the OSPFv2 DR for the GigabitEthernet link between PE5 and PE6
- C. PE6 is the OSPFv2 and OSPFv3 DR for the GigabitEthernet link between PE5 and PE6
- D. PE6 is the DR for the GigabitEthernet link between PE5 and PE6 because it has a higher OSPF priority
Answer: A
Explanation:
# show ip ospf neighbor
# show ipv6 ospf neighbor
NEW QUESTION 20
Which type of ISP must rely entirely on other ISPs for Internet transit?
- A. Tier 3
- B. Tier 4
- C. Tier 2
- D. Tier 1
Answer: A
NEW QUESTION 21
Which router(s) is/are IS-Type L1/L2 IS-IS router?
- A. CE5 only
- B. PE6 only
- C. CE5 and PE6 only
- D. PE5 and PE6 only
- E. CE5, PE5 and PE6
Answer: D
Explanation:
#show clns neighbor
NEW QUESTION 22
......
Thanks for reading the newest 642-883 exam dumps! We recommend you to try the PREMIUM Exambible 642-883 dumps in VCE and PDF here: https://www.exambible.com/642-883-exam/ (174 Q&As Dumps)