Cisco 642-998 Online Practice Questions and Exam Preparation

Cisco 642-998 Online Questions & Answers

• Question 151:

  Which three options are examples of NHRP? (Choose three.)

  A. OSPF
  B. HSRP
  C. VRRP
  D. GLBP
  E. OCSP
  F. EIGRP
  G. MPLS
  B. HSRP
  C. VRRP
  D. GLBP

• Question 152:

  When multicast traffic is a required design element, why is the Cisco UCS 6248UP a better choice than the Cisco UCS 6140XP?

  A. Cisco UCS 6140XP does not allow multicast traffic propagation.
  B. Cisco UCS 6140XP does not support IGMP snooping on uplink interfaces.
  C. Cisco UCS 6248UP employs separate unicast and multicast egress queues.
  D. Cisco UCS 6248UP supports PIM dense mode rendezvous points.
  E. Cisco UCS 6248UP supports dynamic queue mapping of IGMP v3 requests.
  C. Cisco UCS 6248UP employs separate unicast and multicast egress queues.

• Question 153:

  Which option is a characteristic of the data center core layer?

  A. provides the summarization and redistribution of routing protocols
  B. implements policies, such as security and QoS policies
  C. provides connectivity for network and application services
  D. provides a high-speed backbone for the storage traffic from servers
  C. provides connectivity for network and application services

• Question 154:

  You are designing data center core layer interconnections. Which three options are benefits of using separate LAN and Layer 3 data center interconnects as compared to a stretched Layer 2 design? (Choose three.)

  A. A logical separation of change control exists for the two core layers.
  B. Intra-data center traffic flows are switched locally in the data center core.
  C. A data center has a logical separation point for moving to an offsite location without redesign.
  D. This kind of topology can be converted easily to a Cisco FabricPath topology.
  E. Both data center and LAN traffic is switched in the data center core.
  F. Fault tolerance in LAN and the data center core layer is managed by using the STP.
  A. A logical separation of change control exists for the two core layers.
  B. Intra-data center traffic flows are switched locally in the data center core.
  C. A data center has a logical separation point for moving to an offsite location without redesign.

• Question 155:

  

  

  Give the above configuration example answer the following question. What is the number of Core Processors installed?

  A. 1
  B. 2
  C. 4
  D. 6
  B. 2

• Question 156:

  Which option can be used to provide a nonproprietary method of load balancing and redundancy between the access and aggregation layers in the data center?

  A. PAgP port channel
  B. LACP
  C. vPC
  D. vPC+
  E. host vPC
  B. LACP

• Question 157:

  Which three options are features of a Cisco Nexus 7700 Switch? (Choose three.)

  A. Total number of slots are 4, 9, 10, and 18.
  B. Maximum switching capacity is up to 83 Tbps.
  C. They support redundant supervisors.
  D. Bandwidth per slot is 1.3 Tbps.
  E. Minimum switching capacity is 1 Tbps.
  F. Bandwidth per slot is 1.3 Gbps.
  G. Maximum switching capacity is up to 83 Gbps.
  B. Maximum switching capacity is up to 83 Tbps.
  C. They support redundant supervisors.
  D. Bandwidth per slot is 1.3 Tbps.

• Question 158:

  You are evaluating Cisco UCS for use in a data center. Which two options describe benefits of using Cisco UCS as compared to traditional blade-server systems? (Choose two.)

  A. Cisco UCS reduces the deployment time of new blade servers.
  B. Cisco UCS reduces the number of required management interfaces.
  C. The power consumption of Cisco UCS is no more than 5 KWh per 42RU rack.
  D. Cisco UCS offers 100-Gbps interfaces on each blade server.
  E. Cisco UCS offers a built-in storage array of SSD disks for higher performance.
  F. Cisco UCS offers hardware iSCSI server adapters for storage connectivity.
  A. Cisco UCS reduces the deployment time of new blade servers.
  B. Cisco UCS reduces the number of required management interfaces.

• Question 159:

  Which three options are differences between vPC and VSS from an operational point of view? (Choose three.)

  A. With vPC, the two switches operate as a single device.
  B. With vPC, the two switches operate as individual devices.
  C. With VSS, the two switches operate as individual devices.
  D. With VSS, the two switches operate as a single device.
  E. VSS eliminates the need to implement a FHRP.
  F. vPC eliminates the need to implement a FHRP.
  G. With vPC, the peer keep-alive link also carries user traffic.
  H. With VSS, heartbeat links also carries user traffic.
  B. With vPC, the two switches operate as individual devices.
  D. With VSS, the two switches operate as a single device.
  E. VSS eliminates the need to implement a FHRP.

• Question 160:

  You are designing a Cisco UCS environment that requires RSA SecurID for user authentication. Which authentication method must you include in the design?

  A. a local Cisco UCS user database
  B. LDAP authentication
  C. RADIUS authentication
  D. client certificate authentication
  C. RADIUS authentication