合格させる352-001試験一発合格保証100%カバー率でリアル試験問題 [2022年01月]
有効な352-001テスト解答Cisco 352-001試験PDF問題を試そう
質問 113
Refer Io the exhibit. The company must connect five new remote sites to the network core of its corporate headquarters with path reliability These remote sites run voce and data traffic Two data centers are in the core Which two virtualized network solutions can achieve the required goal? (Choose two) Use PfR to dynamically change traffic flows tor forwarding frames and packets out of the remote sites
- A. Use IPsec over GRE encapsulation with a DS3 line directly from each remote site router to the data . center routers
- B. Deploy MPLS Layer 2 VPN to interconnect Itie two data centers the core to the remote sites
- C. Create an IPsec tunnel over a new point to point leased line directly from each remote site router to A the data center routers
- D. Deploy MPI S Layer 3 VPN
正解: A,B
質問 114
A large service provider offers VoIP and Video services to business customers. Which three areas should the service provider monitor related to these services? (Choose three.)
- A. packet loss
- B. latency
- C. availability
- D. jitter
- E. bandwidth utilization
- F. service response time
正解: A,B,D
質問 115
A planned EBGP network will use OSPF to reach the EBGP peer addresses. Which of these conditions should be avoided in the design that could otherwise cause the peers to flap continuously?
- A. The routers are peered by using a default route sent by OSPF.
- B. IP addresses used to peer are also being sent via EBGP.
- C. An ACL blocks TCP port 179 in one direction.
- D. The OSPF area used for peering is nonbackbone (not area 0).
正解: B
質問 116
You are designing a solution to connect a primary data center to a disaster recovery site, The hosted applications will be web and email servers that are provided through a virtualized environment. Which connectivity technology should you consider for this design?
- A. VPLS.
- B. Point-To-Point GRE tunnels.
- C. VPWS.
- D. L2TPV3.
正解: D
質問 117
You are tasked to design a QoS policy for a service provider so they can include it in the design of their MPLS core network. If the design must support an MPLS network with six classes, and CEs will be managed by the service provider, which QoS policy should be recommended?
- A. map DSCP bits into the Exp field
- B. map IP ToS bits into the Exp field
- C. map IP precedence bits into the DSCP field
- D. map IP CoS bits into the IP Precedence field
- E. map flow-label bits into the Exp field
正解: A
質問 118
A large enterprise network runs IS-IS. There is a concern that the IS-IS default metrics are not flexible enough.
Which IS-IS feature enables increased granularity for traffic on the network?
- A. IS-IS Multitopology
- B. IS-IS Wide Metrics
- C. IS-IS DIS
- D. IS-IS route leaking
正解: B
解説:
Section: Evolving Technologies
Explanation
質問 119
You are redesigning an OSPF network that currently uses RFC 1918 Class A address space to optimize its convergence time The entire network consists of point-to-point interfaces between routers Which reason is the best reason to implement topology summarization in this network?
- A. to reduce link state database size
- B. to optimize RIB entry allocation
- C. to optimize CEF entry allocation
- D. to reduce the number of neighbor relationships
正解: A
質問 120
Study the exhibit carefully. Routers P4S-RA, P4S-RB, P4S-RC, and P4S-RD are all performing OSPF within a single area and have OSPF graceful restart configured and running. 10.1.2.0/24 is being advertised only through BGP and the best path between routers P4S-RC and P4S-RD is through router P4S-RB. Configure BGP graceful restart on routers P4S-RB, P4S-RC, and P4S-RD, but not on router P4S-RA.
What will happen to traffic from 10.1.1.0/24 to 10.1.2.0/24 after router P4S-RB performs a graceful restart?
- A. continue to flow normally
- B. be tunneled from router P4S-RD to router P4S-RA through router P4S-RC.
- C. switch to the path through router P4S-RC without interruption
- D. be dropped at router P4S-RB for a period of time after the graceful restart
正解: D
解説:
Section: (none)
Explanation/Reference:
質問 121
An network is designed to use OSPF to reach eBGP peers. Which condition should be avoided in the design to potentially prevent the eBGP peers do not flap continuously in case of link failure?
- A. Advertise via eBGP IP addresses used on eBGP peer statements.
- B. Disable BGP synchronization.
- C. Advertise IP addresses used on eBGP peer statement via a non-backbone OSPF area.
- D. Use an ACL to block BGP in one direction.
正解: A
質問 122
You are redesigning a high-speed transit network due to congestion-related issues. Which congestion avoidance mechanism can you apply to the existing network?
- A. FIFO
- B. Policy-Based Routing
- C. NBAR
- D. Rate-limit
- E. WRED
正解: E
質問 123
Which advantage is of creating an in-band instead of an out-of-band management network?
- A. separate transport equipment
- B. protection of management traffic
- C. protection of production traffic
- D. lower equipment costs
正解: D
解説:
Section: (none)
Explanation/Reference:
質問 124
A network designer has provisioned a router to use IPsec to encrypt the traffic over a GRE tunnel going to a web server at a remote location. From the router, the network designer can ping the web server, although the users in the office comment that they are unable to reach it. (Note: The DF bit is not set.) Which aspect should be changed in the design of the virtual connection?
- A. IPsec configuration
- B. encapsulation of the GRE tunnel
- C. MTU size on the GRE tunnel
- D. IP addresses of the GRE tunnel endpoints
正解: C
質問 125
Refer to the exhibit.
An enterprise has three sites over a Layer 2 Metro Ethernet ELAN service. 100Mb/s and 10 Mb/s links have been provisioned to provide redundancy for the head office. When OSPF routing enabled to provide connectivity and the correct bandwidth statement has been applied to each interface, the branch sites observe two equal-cost routes to the head office.
The enterprise wants to send all traffic through the 100 Mb/s link and use the 10Mb/S link strictly as a backup. Which OSPF network type must be set to ensure that the head office
100 Mb/s circuit is preferred over the 10 Mb/s circuit, at the same time minimize the amount of configuration required on all of the routers throughout the network?
- A. Point-to-multipoint
- B. Broadcast
- C. Point-to-point
- D. NBMA
正解: C
質問 126
Which design solution reduces the amount of IGMP state in the network?
- A. IGMP filtering
- B. IGMPv3 with PIM-SSM
- C. one multicast group address through network regardless of IGMP version
- D. multiple multicast domains
正解: B
解説:
https://tools.ietf.org/html/rfc3376
質問 127
You are a network administrator for the P4S Ltd. You are tasked to add a new OSPF router to an existing network. Later, you discover that two existing routers in the same area as the new router are using different MD5 keys to authenticate their neighbor relationships.
Which option is correct if the new router is connected by means of a separate interface?
- A. The MD5 keys on the two neighboring routers must be changed to the same key.
- B. Each interface may have a unique MD5 key to sign packets with.
- C. Each router must have a unique MD5 key to sign packets with.
- D. The three routers need to be in three different areas.
正解: B
解説:
Section: (none)
Explanation/Reference:
質問 128 
Refer to the exhibit Assume that no multicast optimization is done on LAN switches A and B Which two solutions can be used to optimize multicast traffic forwarding in this situation? (Choose two )
- A. Configure a static MAC entry for the multicast server
- B. Enable PIM snooping on both switches
- C. Disable IGMP snooping on both switches
- D. Disable the IGMP query election process
- E. Enable IGMP snooping querier on both switches
正解: C,E
質問 129
Refer to the exhibit. Assume that no multicast optimization is done on LAN switches A and
B. Which two solutions can be used to optimize multicast traffic forwarding in this situation? (Choose two.)
- A. Configure a static MAC entry for the multicast server
- B. Disable IGMP snooping on both switches
- C. Disable the IGMP query election process
- D. Enable PIM snooping on both switches
- E. Enable IGMP snooping querier on both switches
正解: D,E
解説:
Section: Evolving Technologies
質問 130
Which two reasons for implementing Cisco MPLS TE in a service provider MPLS backbone are valid?
(Choose two.)
- A. when Cisco MPLS TE is required to route different MPLS QoS service classes through different paths
- B. when Cisco MPLS TE can detect and react to neighbor failures faster than IGPs can
- C. when Cisco MPLS TE is required to create backup paths independently from the IGP
- D. when Cisco MPLS TE is a prerequisite for implementing RSVP in the backbone
- E. when Cisco MPLS TE is required to reroute traffic within Jess than 1 second in case of a link failure inside the backbone
正解: A,C
質問 131
While planning network availability, which two factors should be taken into consideration? (Choose two.)
- A. mean time to discover the failure
- B. mean time to repair
- C. mean time to notification
- D. mean time before failure
正解: B,D
解説:
Section: (none)
Explanation/Reference:
質問 132
Which security benefit can be provided by IPv4 anycast for a service such as DNS?
- A. Improved availability of services during DoS attacks
- B. Robust detection capabilities
- C. Mitigation of attacks
- D. Multiple paths to the service
正解: A
質問 133
Refer to the exhibit,
Which two design considerations should be implemented on the pseudowire between N-PE and U-PE routers for a loop-free hierarchical VPLS service? (Choose two)
- A. Disable MAC learning on the U-PE routers.
- B. Disable MAC learning on the U-PE router.
- C. Enable split horizon towards the N-PE routers.
- D. Disable split horizon toward the N-PE routers.
- E. Enable split horizon towards the U-PE routers.
- F. Disable split horizon towards the U-PE router.
- G. Disable MAC learning on the U-PE routers.
正解: C,F
質問 134
OSPF is implemented over a pseudowire Layer 2 VPN. Which statement about this design implementation is true?
- A. The IP MTU must be the same on both PE devices
- B. The IP MTU must be the same on both CE devices
- C. The physical interface MTU must be the same between the CE and PE devices
- D. The IP MTU must be the same on the CE and PE devices
正解: B
質問 135
When a design calls for spanning VLANs across a campus network, what are two issues that need to be addressed in the design? (Choose two.)
- A. application scalability
- B. network convergence
- C. network accessibility
- D. user experience
- E. fault isolation
正解: B,E
質問 136 
Refer to the exhibit. As part of a redesign project you must predict multicast behavior. What happens to the multicast traffic received on the shared tree (*,G), if it is received on the LHR interface indicated?
- A. It is dropped due to an unsuccessful RPF check against the multicast source.
- B. It is dropped due to an unsuccessful RPF check against the multicast receiver.
- C. It is switched due to a successful RPF check against the routing table.
- D. It is switched given that no RPF check is performed.
正解: D
質問 137
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