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Arista ACE-A1.2 Arista Certified Engineering Associate Exam Exam Practice Test

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Total 127 questions
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Arista Certified Engineering Associate Exam Questions and Answers

Question 1

True or False: Arista MLAG requires a second Peer-Keepalive link to be cabled between the switches in the MLAG domain.

Options:

A.

TRUE

B.

FALSE

Question 2

What is the benefit of the watch diff CLI command?

Options:

A.

It allows you to watch differential equation algorithms when they’re being evaluated in a hadoop cluster.

B.

It allows you to view the skew rate between two clock sources when using NTP.

C.

It allows you to view the skew rate between two clock sources when using IEEE 1588 Precision Time Protocol.

D.

It allows you to automatically reissue any CLI command at set intervals while highlighting the differences from the last iteration of that command.

Question 3

How many Virtual Network Identifiers are supported by the VXLAN specification?

Options:

A.

4096

B.

4094

C.

16,777,216

D.

16,000,000

Question 4

What is Adaptive Segmentation?

Options:

A.

The ability for VMTracer to dynamically create VLANs based on the VLANs in use on VMs.

B.

The ability to support multiple vCenter instances.

C.

The ability for an Arista switch to run VMs on the switch itself.

D.

The ability to split the switch into multiple virtual switches.

Question 5

What does the asterisk in the following output signify?

Question # 5

Options:

A.

The VLAN was created by VTP.

B.

The VLAN was created by default.

C.

The VLAN was created dynamically.

D.

The VLAN is scheduled for removal by VMTracer.

Question 6

What can you assume about Ethernet1 in this output from a 7150-24 that have been configured with the tap aggregation mode exclusive command?

Question # 6

Options:

A.

Ethernet1 is broken.

B.

Ethernet1 has a QSPF interface.

C.

Ethernet1 is an Agile Port.

D.

Ethernet1 will not work with Tap Agg.

Question 7

On what protocol is Multi-Switch CLI based?

Options:

A.

TELNET

B.

SCP

C.

SSH

D.

XMPP

Question 8

When you fullrecover a switch from Aboot and a USB drive is present in the USB port of the switch, which of the following statements is true?

Options:

A.

Everything on the USB drive is deleted.

B.

Only Arista-sourced files are copied from the USB drive to flash: and the switch reboots.

C.

If the USB drive contains a fullrecover file and a boot-config file with a timestamp different than the one on USB flash drive, then the USB Drive’s contents will be copied to flash, after which the switch will reboot.

D.

Nothing. The USB port is disabled when Aboot is active.

Question 9

What is the packet overhead for a VXLAN-encapsulated frame?

Options:

A.

10 bytes

B.

30 bytes

C.

50 bytes

D.

70 bytes

Question 10

Which of the following commands is being deprecated and will not be supported in the near future?

Options:

A.

copy running-config startup-config

B.

copy run start

C.

write memory

D.

none of the above

Question 11

Where does SysDB store its contents when the switch reboots?

Options:

A.

flash:

B.

/mnt/flash

C.

/home/admin

D.

none of the above

Question 12

What does LANZ do?

Options:

A.

LANZ reports on microbursting events at extremely small intervals of time.

B.

LANZ alters the flow of frames based on an interfaces high and low queue-thresholds.

C.

LANZ is a form of QoS that allows for microsecond-levels of precision on interfaces that support it.

D.

LANZ is the means whereby late packets can be analyzed.

Question 13

Which command will disable Adaptive Segmentation in VMTracer?

Options:

A.

Student-01(config-vmtracer-session)#autovlan disable

B.

Student-01(config-vmtracer-session)#no autovlan

C.

Student-01(config-vmtracer-session)#no autovlan enable

D.

Adaptive Segmentation cannot be disabled in VMTracer

Question 14

Which command would you use to change the SSH Idle timeout after entering the ‘management ssh’ command?

Options:

A.

idle-timeout

B.

timed

C.

timeout

D.

ssh-idle

Question 15

How many line card slots are reserved for supervisors on the Arista 7300 series chassis switches?

Options:

A.

1

B.

2

C.

4

D.

none

Question 16

Which of the following programming environments is included in every version of EOS out of the box?

Options:

A.

Perl

B.

Python

C.

PHP

D.

Ruby

Question 17

What is the fundamental purpose of SysDB?

Options:

A.

SysDB is the repository for state information for EOS agents.

B.

SysDB is the database in which username/password keys are stored.

C.

SysDB is the database of systems discovered by the switch

D.

SysDB is a marketing named for a feature that doesn’t actually exist.

Question 18

True or False: XMPP Management is enabled by default.

Options:

A.

TRUE

B.

FALSE

Question 19

Many Arista switches support reversible air flow. When the fans installed on such a switch have red handles, which of the following statements would be correct?

Options:

A.

Cold air will be pulled in from the port side of the switch.

B.

Warm air will be pulled in from the starboard side of the switch.

C.

Hot air will be pulled in from the fan side of the switch.

D.

Hot air will be ejected from the fan side of the switch.

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