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2021 Nov cisco 642-998 exam:

Q21. Which technology provides the least amount of input to the data center solution requirements? 

A. cloud compute 

B. storage 

C. desktop 

D. network 

Answer: A


Q22. What represents the number of bits in an IPv6 address? 

A. 32-bit dotted hex 

B. 48-bit dotted hex 

C. 64-bit dotted hex 

D. 128-bit dotted hex 

E. 160-bit dotted hex 

Answer: D


Q23. Instructions:

THIS TASK DOES NOT REQUIRE DEVICE CONFIGURATION

To access the multiple-choice questions, click on the numbered boxes on the left of the top panel. 

There are four multiple-choice questions with this task. Be sure to answer all four questions before selecting the Next button.

Scenario:

While running the Hardware Library wizard, you gather the attached images. Answer the questions from the provided information gathered.

Give the above configuration example answer the following question 

What is the memory size per Host? 

A. 64GB 

B. 128 GB 

C. 164 GB 

D. 192 GB 

E. 256 GB 

Answer: A


Q24. Your customer has a PCI requirement to protect with a firewall access layer servers that process Visa transactions. 

Which Cisco Firewall Services Module deployment topology will have the least impact on existing IP addressing? 

A. Transparent 

B. One-Arm 

C. Routed 

D. Inline 

E. Clustered 

Answer: A


Q25. The ANSI restriction that only 239 Fibre Channel domains are allowed per SAN fabric creates challenges for the designer working on a Cisco Data Center Unified Fabric network. 

Which two approaches can the designer utilize to restrict the number of Fibre Channel domains below 239? (Choose two.) 

A. Daisy chain up to 100 core Fibre Channel switches, leaving 139 domains for the network edge. 

B. Assign a domain ID for each blade switch and top-of-rack access layer switch. 

C. Use NPV to cause a fabric or blade switch to appear as a host to the core Fibre Channel switch. 

D. Migrate to FCoE to eliminate the need for Fibre Channel domains. 

E. Utilize VSANs to allow scaling well beyond 239 domain IDs. 

Answer: CE


Renewal 642-998 dcucd v5:

Q26. Which two devices operate only at OSI Layer 2? (Choose two.) 

A. Cisco Nexus 7010 

B. Cisco Nexus 5548 

C. Cisco Nexus 5596 

D. Cisco Nexus 5020 

E. Cisco Nexus 3016 

F. Cisco Nexus 2248 

Answer: DF


Q27. A customer is designing their new data center using Cisco UCS and they want to use the VM-FEX feature. Which statement about VM-FEX is true? 

A. VM-FEX is a VMware feature that allows management of the virtual network and configuration of virtual ports to be handled within Cisco UCS Manager. 

B. VM-FEX is a Cisco UCS feature that allows management of the virtual network and configuration of virtual ports, which can be handled within Cisco UCS Manager. 

C. VM-FEX requires additional licensing, which can be purchased through VMware. 

D. VM-FEX is supported only on B200 M3 blades. 

Answer: B


Q28. Which NHRP features active and standby virtual gateways? 

A. GLBP 

B. VRRP 

C. HSRP 

D. SSO 

E. NSF 

Answer: A


Q29. Which option is an advantage of utilizing hypervisor technology within a Cisco Unified Fabric data center environment? 

A. distributed load processing 

B. availability of blade versus rack-mountable servers 

C. reduced power and cooling requirements 

D. integrating the virtual machines into the access layer 

Answer: A


Q30. What allows for STP to be disabled yet support a loop-free topology even on link or switch failure? 

A. LACP 

B. OTV 

C. vPC 

D. vPC+ 

E. FabricPath 

Answer: E