Get all latest (August) Cisco 642-874 Actual Test 91-100

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QUESTION 91

Which two options are VRF components. (Choose two.)

 

A.

RIB

B.

VSS

C.

FIB

D.

HSRP

 

Correct Answer: AC

QUESTION 92

Which configuration represents resiliency at the hardware and software layers?

 

A.

multiple connections and FHRP

B.

HSRP and GLBP

C.

redundant supervisor and power supplies

D.

dual uplinks and switches

 

Correct Answer: A

 

 

QUESTION 93

Source traffic is sent to a VIP on an SLB device, which in turn is routed to the destination server. Return traffic is policy-based routed back to the SLB. Which SLB design has been implemented?

 

A.

router mode

B.

inline bridge mode

C.

one-armed mode

D.

two-armed mode

 

Correct Answer: D

 

 

QUESTION 94

When considering the design of the E-Commerce topology which of the following are true?

 

A.

One-armed SLB design with multiple security contexts removes the need for a separate firewall in the core layer

B.

Two-firewall-layer SLB design considers the aggregation and access layers to be trusted zones, requiring no security between the web, application, and database zones

C.

One-armed SLB design with two firewall layers ensures that non load-balanced traffic still traverses the ACE so that the health and performance of the servers is still being monitored

D.

In all cases there will be configuration requirements for direct access to any servers or for nonload-balanced sessions initiated by the servers

 

Correct Answer: A

 

 

QUESTION 95

Which three statements about firewall modes are correct? (Choose three.)

 

A.

A firewall in routed mode has one IP address.

B.

A firewall in transparent mode has one IP address.

C.

In routed mode, the firewall is considered to be a Layer 2 device.

D.

In routed mode, the firewall is considered to be a Layer 3 device.

E.

In transparent mode, the firewall is considered to be a Layer 2 device.

F.

In transparent mode, the firewall is considered to be a Layer 3 device.

 

Correct Answer: BDE

 

 

 

 

QUESTION 96

Which three Layer 2 access designs have all of their uplinks in an active state? (Choose three.)

 

A.

Flex Links

B.

loop-free U

C.

looped square

D.

looped triangle

E.

loop-free inverted U

 

Correct Answer: BCE

 

 

QUESTION 97

What is the primary benefit of implementing Virtual Device Contexts on Nexus hardware In a multi-tenant environment?

 

A.

resource isolation

B.

software partitioning

C.

resource allocation

D.

granular monitoring

 

Correct Answer: A

 

 

QUESTION 98

Which of the following two statements about Cisco NSF and SSO are the most relevant to the network designer? (Choose two.)

 

A.

You can reduce outages to 1 to 3 seconds by using SSO in a Layer 2 environment or Cisco NSF with SSO in a Layer 3 environment.

B.

SSO and NSF each require the devices to either be graceful restart-capable or graceful restart-aware.

C.

In a fully redundant topology adding redundant supervisors with NSF and SSO may cause longer convergence times than single supervisors with tuned IGP timers

D.

The primary deployment scenario for Cisco NSF with SSO is in the Distribution and Core layers.

E.

Cisco NSF-aware neighbor relationships are independent of any tuned IGP timers

 

Correct Answer: AC

 

 

QUESTION 99

Which of these statements is correct regarding Stateful Switchover and Cisco Nonstop Forwarding?

 

A.

Utilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds.

B.

Utilizing SSO in Layer 3 environments can reduce outages to one to three seconds.

C.

Distribution switches are single points of failure causing outages for the end devices.

D.

Utilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than one second.

E.

NSF and SSO with redundant supervisors have the most impact on outages at the access layer.

 

Correct Answer: E

 

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