NEW DUMPS– How to prepare the Cisco https://www.pass4itsure.com/642-873.html exam and to 100 percent pass it without any problem? Cisco 642-873 just published the newest Cisco 642-873 Flydumps with all the new updated exam questions and answers.You can get the free new version on Flydumps.com
QUESTION 45
Which of these statements best describes VPLS?
A. Neither broadcast nor multicast traffic is ever flooded in VPLS.
B. Multicast traffic is flooded but broadcast traffic is not flooded in VPLS.
C. VPLS emulates an Ethernet switch, with each EMS being analogous to a VLAN.
D. Because U-PE devices act as IEEE 802.1 devices, the VPLS core must use STP.
E. When the provider experiences an outage, IP re-routing restores PW connectivity and MAC re-learning is needed.
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 46
How does ERS use the VLAN tag?
A. to provide service internetworking
B. to support transparency for Layer 2 frames
C. as a connection identifier to indicate destination
D. as a mapping to the DLCI in service internetworking
E. to provide a trunk by which all VLANs can navigate from one site to one or multiple sites
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 47
Which two of these correctly describe Fibre Channel? (Choose two.)
A. supports multiple protocols
B. works only in a shared or loop environment
C. allows addressing for up to 4 million nodes
D. allows addressing for up to 8 million nodes
E. provides a high speed transport for SCSI payloads
F. may stretch to a distance of up to 100 km before needing extenders
Correct Answer: AE Section: (none) Explanation
Explanation/Reference:
QUESTION 48
What method does the Cisco MDS 9000 Series use to support trunking?
A. ISL
B. IVR
C. VoQ
D. VSANs
E. Enhanced ISL
Correct Answer: E Section: (none) Explanation
Explanation/Reference:
QUESTION 49
Drop A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
QUESTION 50
In which NAS operating mode are ACL filtering and bandwidth throttling only provided during posture assessment?
A. Layer 2
B. Layer 3
C. in-band
D. out-of-band
E. edge
F. central
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 51
Which two statements about Layer 3 access designs are correct? (Choose two.)
A. IP address space is difficult to manage.
B. Broadcast and fault domains are increased.
C. Convergence time is fractionally slower than STP.
D. Limits on clustering and NIC teaming are removed.
E. Fast uplink convergence is supported for failover and fallback.
Correct Answer: AE Section: (none) Explanation
Explanation/Reference:
QUESTION 52
What is the purpose of IGMP in a multicast implementation?
A. it is not used in multicast
B. it determines the virtual address group for a multicast destination
C. it dynamically registers individual hosts in a multicast group on a specific LAN
D. it is used on WAN connections to determine the maximum bandwidth of a connection
E. it determines whether Bidirectional PIM or PIM sparse mode will be used for a multicast flow
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 53
Which two characteristics are most typical of a SAN? (Choose two.)
A. NICs are used for network connectivity.
B. Servers request specific blocks of data.
C. Storage devices are directly connected to servers.
D. A fabric is used as the hardware for connecting servers to storage devices.
E. The TCO is higher because of the cost of director class storage switches.
Correct Answer: BD Section: (none) Explanation
Explanation/Reference:
QUESTION 54
Which of these is least important when determining how many users a NAS can support?
A. bandwidth
B. number of plug-ins per scan
C. total number of network devices
D. number of checks in each posture assessment
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 55
Which of these is true of IP addressing with regard to VPN termination?
A. addressing designs need to allow for summarization
B. termination devices need routable addresses inside the VPN
C. IGP routing protocols will update their routing tables over an IPsec VPN
D. designs should not include overlapping address spaces between sites, since NAT is not supported
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 56
When is a first-hop redundancy protocol needed in the distribution layer?
A. when HSRP is not supported by the design
B. when multiple vendor devices need to be supported
C. when preempt tuning of the default gateway is needed
D. when a robust method of backing up the default gateway is needed
E. when the design implements Layer 2 between the access switch and the distribution switch
F. when the design implements Layer 3 between the access switch and the distribution switch
Correct Answer: F Section: (none) Explanation
Explanation/Reference:
QUESTION 57
Refer to the exhibit. Which two characteristics are true of a firewall running in routed mode? (Choose two.)
A. FWSM routes traffic between the VLANs.
B. FWSM switches traffic between the VLANs.
C. Routed mode is often called bump-in-the-wire mode.
D. Routed mode firewall deployments are used most often in current designs.
E. Traffic switched between VLANs is subject to state tracking and other firewall configurable options.
Correct Answer: AD Section: (none) Explanation
Explanation/Reference:
QUESTION 58
Which of these practices should you follow when designing a Layer 3 routing protocol?
A. Never peer on transit links.
B. Build squares for deterministic convergence.
C. Build inverted U designs for deterministic convergence.
D. Summarize routes at the distribution to the core to limit EIGRP queries or OSPF LSA propagation.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 59
What is the recommended radius of a cell for a voice-ready wireless network?
A. 6 dBm
B. 7 dBm
C. 19 dBm
D. 5 dBm
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 60
Which three implementation modes may be used to deploy SLB? (Choose three.)
A. Router mode
B. One-arm mode
C. Three-arm mode
D. Bridge mode inline
E. Bridge mode passive
F. Combo Bridge router mode
Correct Answer: ABD Section: (none) Explanation
Explanation/Reference:
QUESTION 61
In a base e-Commerce module design, which routing statement is correct?
A. Routing is mostly static.
B. Hardcoded IP addresses are used to support failover.
C. Inbound servers use the CSM or ACE as the default gateway.
D. VLANs between the access layer switches are used for FHRP protocols.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 62
Refer to the exhibit. Which two statements about the topologies shown are correct? (Choose two.)
A. Design 1 is a looped triangle design.
B. Design 2 is a looped triangle design.
C. Design 2 achieves quick convergence using RSTP.
D. Both designs support stateful services at the aggregation layer.
E. Design 2 is the most widely deployed in enterprise data centers.
Correct Answer: AD Section: (none) Explanation
Explanation/Reference:
QUESTION 63
What is the term for a logical SAN which provides isolation among devices physically connected to the same fabric?
A. ISL
B. IVR
C. VoQ
D. VSANs
E. Enhanced ISL
Correct Answer: D Section: (none) Explanation
Explanation/Reference: QUESTION 64
Which technology allows centralized storage services to be shared across different VSANs?
A. IVR
B. FSPF
C. FICON
D. SANTap
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 65
Which two statements are correct regarding Flex Links? (Choose two.)
A. An interface can belong to multiple Flex Links.
B. Flex Links operate only over single pairs of links.
C. Flex Link pairs must be of the same interface type.
D. Flex Links automatically disable STP so no BPDUs are propagated.
E. Failover from active to standby on Flex Links takes less than a second.
Correct Answer: BD Section: (none) Explanation
Explanation/Reference:
Whenever Cisco candidates take a tour of sample questions of Cisco https://www.pass4itsure.com/642-873.html exam they find their training to be matchless to great extent.Passing the Cisco 642-873 on your own can be a difficult task,but with Cisco 642-873 preparation products,many candidates who appeared online passed Cisco 642-873 easily.