Cisco : 642-885 Questions & Answers
Last Updated: Oct 10, 2026
No. of Questions: 131 Questions & Answers with Testing Engine
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Cisco 642-885 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Deploying Cisco Service Provider Advanced Network Routing |
| Exam Number: | 642-885 |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 65–75 |
| Exam Format: | Multiple Choice, Multiple Response |
| Related Certifications: | Cisco 642-883 Deploying Cisco Service Provider Network Routing Cisco 642-889 Implementing Cisco Service Provider Next-Generation Edge Network Services CCNP Service Provider Certification Cisco 642-887 Implementing Cisco Service Provider Next-Generation Core Network Services |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Delivered at Cisco-authorized Pearson VUE testing centers. |
| Pre Condition: | No mandatory prerequisite exam; candidates are recommended to have strong CCNP Service Provider or equivalent experience. |
| Official Syllabus URL: | https://learningcontent.cisco.com/documents/exam-topics/642-885_spadvroute_v3.pdf |
Cisco 642-885 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Multicast Routing in Service Provider IP NGN | ≈24% | - Intra-domain vs inter-domain multicast - Multicast concepts and IGMP operations |
| Topic 2: High Availability Routing Features | ≈25% | - BGP high availability techniques - Routing protocol resiliency and optimization |
| Topic 3: BGP Routing Features in Service Provider IP NGN | ≈24% | - BGP routing processes in IOS-XR - BGP confederations and route reflectors |
| Topic 4: IPv6 in Service Provider IP NGN | ≈27% | - IPv6 multicast operations - IPv6 transition mechanisms |
What 642-885 Candidates Ask
The package includes 131 practice questions for the 642-885 exam, all verified and arranged in a well-balanced mix of difficulty to support progressive study.
- High Availability Routing Features (≈25%)
- Multicast Routing in Service Provider IP NGN (≈24%)
- IPv6 in Service Provider IP NGN (≈27%)
Let the topic weights guide how you split your study hours.
The Cisco Deploying Cisco Service Provider Advanced Network Routing questions are spread across a well-proportioned range of difficulty, from fundamentals to challenging items. That distribution lets you build confidence session by session, and by the time the real test approaches, you have already faced everything it can reasonably throw at you.
No mandatory prerequisite exam; candidates are recommended to have strong CCNP Service Provider or equivalent experience.
The 642-885 exam contains 65–75 questions within 90 minutes minutes. Rehearsing under the same limit on the ActualTorrent simulator builds calm, practiced pacing.
Our service comes down to three commitments. First, the staff works around the clock online so customer demands about Cisco Deploying Cisco Service Provider Advanced Network Routing are met the moment they arise. Second, the team is strictly discreet: customer personal information has never been leaked, and your privacy remains protected. Third, our experts watch the renewal of the question bank, and once a change is found, the updated material goes straight to your mailbox.
Cisco Deploying Cisco Service Provider Advanced Network Routing Sample Questions:
Which command set is used to implement an IPv6 PIM with the global scope embedded RP address of 2001:DB8::1 on a Cisco IOS XE router?
- A. ipv6 unicast-routing ipv6 multicast-routing int Lo0 ipv6 mld join-group FF7E:0120:2001:DB8:1111::4321
- B. ipv6 unicast-routing ipv6 multicast-routing int Lo0 ipv6 mld join-group FF75:0120:2001:DB8:1111::4321
- C. ipv6 unicast-routing ipv6 multicast-routing ipv6 pim rp-address 2001:DB8::1 bidir
- D. ipv6 unicast-routing ipv6 multicast-routing ipv6 pim rp-address FF7E:0120:2001:DB8:1111::4321
- E. ipv6 multicast-routing ipv6 pim rp-address 2001:DB8::1
Correct Answer: A 🗳️
In which four ways does DHCPv6 differ from DHCPv4? (Choose four.)
- A. A hosts discovers a DHCPv6 server by using a DHCP Solicit packet.
- B. DHCPv4 functions without external protocols.
- C. DHCPv6 uses the same message types as DHCPv4.
- D. A host discovers a DHCPv6 server by using a DHCP Discover packet.
- E. An IPv6 host can request only one IP address at a time from a DHCPv6 server.
- F. A DHCP server replies with a DHCP Advertise message.
- G. An IPv6 host can request multiple addresses at the same time from a DHCPv6 server.
- H. A DHCPv6 server replies with a DHCP Offer packet.
Correct Answer: A,B,F,G 🗳️
Which difference occurs between intradomain and interdomain routing technology?
- A. PIM is used in intradomain routing technology and uses reverse path forwarding mechanism to implement optimize multicast data forwarding.
- B. MSDP is used in intradomain routing technology to discover the multicast source.
- C. Interdomain routing technology uses MSDP and M-BGP for exchanging multicast routing information.
- D. RP is not needed in intradomain routing technology, but RP is needed in interdomain routing technology to receive multicast traffic.
Correct Answer: A 🗳️
Which four statements are correct regarding MSDP configurations and operations? (Choose four.)
- A. MSDP establishes neighbor relationships with other MSDP peers using TCP port 639
- B. MSDP peerings on Cisco IOS, IOS-XE, and IOS-XR support MD5 or SHA1 authentication
- C. On Cisco IOS, IOS-XE, and IOS-XR, the router can be configured to cache the SA messages to reduce the join latency
- D. SA messages are used to advertise active sources in a domain
- E. The MSDP peers are also typically the RPs in respective routing domains.
- F. SA messages are flooded to all other MSDP peers without any restrictions
Correct Answer: A,C,D,E 🗳️
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When enabling interdomain multicast routing, which two statements are correct? (Choose two.)
- A. Multiprotocol BGP is used instead of PIM SM to build the intradomain and interdomain multicast distribution trees
- B. Use MSDP to enable the RPs from different domains to exchange information about active multicast sources
- C. Noncongruent unicast and multicast topologies can be supported using multiprotocol BGP
- D. MSDP SA packets are sent between the multiprotocol BGP peers
Correct Answer: B,C 🗳️
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