644-906 Questions and Answers

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Implementing and Maintaining Cisco Technologies Using IOS XR: 644-906

Rating: 4.7

Vendor: Cisco

Certifications: Cisco Specialist

Exam Name: Implementing and Maintaining Cisco Technologies Using IOS XR

Exam Code: 644-906

Total Questions: 77 Q&As

Last Updated: Dec 10, 2021

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Same Questions from the Latest Real Exam

644-906 Online Practice Questions and Answers

Questions 1

The Cisco CRS 16-Slot Line Card Chassis Site Planning Guide suggests having 48 inches of clearance behind the chassis. What would definitely happen to the system if there were only 28 inches of clearance behind the Cisco CRS 16-Slot Line Card Chassis?

A. The system would overheat due to inadequate airflow.

B. The fabric card could not be exchanged if one failed.

C. The modular services card (MSC) could not be exchanged if one failed.

D. The fan tray could not be exchanged if one failed.

Show Answer
Questions 2

What is the effect of configuring "logging disable"?

A. It will stop the router from sending logs to a syslog server.

B. It will stop the router from displaying logs on a vty (Telnet or SSH) session.

C. It will stop the router from displaying logs on a console session.

D. It will stop the router from archiving logs to a local disk.

Show Answer
Questions 3

Which statement is false?

A. The NTP stratum describes how many hops away that a system is from an authoritative time source.

B. A Cisco IOS XR device can be directly connected to an atomic clock and provide a stratum 1 service.

C. A Cisco IOS XR device can be configured as a stratum 1 master clock source.

D. UTC is a global time scale that is distributed by atomic clocks over the Internet, over specialist long- wave radio transmissions, or with the Global Positioning System (GPS) network.

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