640-911 | Highest Quality 640-911 Free Practice Questions 2021

NEW QUESTION 1
A network engineer is tasked with installing a new switch into the network access layer. The switch needs to see VTP data, but does not need to participate in the VTP domain. What VTP mode should the switch be configured for?

• A. client
• B. transparent
• C. server
• D. off
• E. active

Answer: B

NEW QUESTION 2
Refer to the exhibit.

Which hardware property of the bootup process can be determined about the router?

• A. The router has 32 MB of NVRAM to store the startup configuration files.
• B. The router is set to automatically boot from bootflash on reloading.
• C. The router has 4 GB of memory to store the startup configuration files.
• D. The router is set to automatically boot from SATA disk on reloading.
• E. The router will stop at a boot loader prompt.

Answer: B

NEW QUESTION 3
Which device is a multiport bridge?

• A. Router
• B. Switch
• C. Gateway
• D. Concentrator

Answer: B

NEW QUESTION 4
When configuring a trunk port on a Nexus switch, what two options must be configured before the port will participate in a 802.1Q trunk group? (Choose two.)

• A. configure a native VLAN
• B. enable trunking
• C. set port speed and duplex
• D. configure 802.1Q encapsulation
• E. enable spanning tree loop-guard

Answer: AB

NEW QUESTION 5
What are two default user roles in Cisco Nexus Operating System? (Choose two.)

• A. Admin
• B. Network Operator
• C. Operator
• D. Storage Operator
• E. Root
• F. System Manager

Answer: AB

Explanation: "The Nexus 5000 Series switch provides the following default user roles:
•network-admin (superuser)—Complete read and write access to the entire Nexus 5000 Series switch.
•network-operator—Complete read access to the Nexus 5000 Series switch." http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli_rel_4_0_1a/sec_rbac.html#wp1230629

NEW QUESTION 6
Which process does a Cisco router perform immediately upon powering up?

• A. POST
• B. BIOS
• C. booting from NVRAM
• D. booting from ROM

Answer: A

NEW QUESTION 7
To improve security, a network engineer needs to configure an access list on a router. In which mode can this list be configured?

• A. global configuration
• B. user access
• C. user privileged
• D. interface configuration

Answer: A

NEW QUESTION 8
A network engineer proposes that old hubs be replaced by new Layer 2 switches in the company network. Which three are reasons for this proposal? (Choose three.)

• A. Each port on a switch becomes its own collision domain.
• B. Layer 2 switches provide IP routing at line card speed.
• C. Hubs create one large collision domain and one large broadcast domain, which greatly decreasing network performance.
• D. Switches create one large collision domain and one large broadcast domain, which greatly increases network performance.
• E. By connecting each device directly to a port on the hub, each port on a switch becomes its own broadcast domain.
• F. Data transmission is faster on switches because switches work at line card speed.

Answer: ACF

NEW QUESTION 9
HOTSPOT

Answer:

Explanation:

NEW QUESTION 10
An engineer must copy a new configuration to a Cisco Nexus 7010 Switch from a TFTP server. Which two commands should be used to retain the configuration after a reboot? (Choose two.)

• A. write memory
• B. copy running-config startup-config
• C. copy tftp://10.10.1.1/my-config running-config
• D. copy tftp://10.10.1.1/my-config startup-config
• E. write erase

Answer: BC

NEW QUESTION 11
Which three addresses are valid forms of an IPv6 Address: 2001:0DB8:0000:FE01:0000:0000:0000:0000? (Choose three.)

• A. 2001:0DB8:0000:FE01::
• B. 2001:DB8:0:FE01::
• C. 2001:0DB8::FE01::
• D. 2001:DB8:0:FE01:0:0:0:0

Answer: ABD

NEW QUESTION 12
What is the correct format of an access control list on a Cisco Nexus switch to deny FTP traffic from any source to destination host 10.10.1.110?

• A. N5K-A(config)# ip access-list 101N5K-A(config-acl)# deny tcp any host 10.10.1.110 eq ftp
• B. N5K-A(config)#access-list 101deny tcp any host 10.10.1.110 eq ftp
• C. N5K-A(config)#access-list 101deny tcp any host 10.10.1.110 eq ftpN5K- A(config)#access-list 101denyip any any
• D. N5K-A(config)# ip access-list 101N5K-A(config-acl)# denyudp any host 10.10.1.110 eq 21N5K-A(config-acl)# permit ip any any
• E. N5K-A(config)# ip access-list 101N5K-A(config-acl)# deny tcp any host 10.10.1.110 eq 21N5K-A(config-acl)# permit ip any any

Answer: E

NEW QUESTION 13
A network engineer configures several VLANs using NX-OS and wants to save the changes. Which commands are used to save this configuration?

• A. write memory
• B. copy run start
• C. write terminal
• D. copy start run

Answer: B

NEW QUESTION 14
Which layer of the OSI model is associated with Token Ring Media Access Control?

• A. datagram
• B. routing
• C. network
• D. data link
• E. transport
• F. transmission
• G. session

Answer: D

Explanation: "Token ring local area network (LAN) technology was a protocol which resided at the data link layer (DLL) of the OSI model."
http://en.wikipedia.org/wiki/Token_ring

NEW QUESTION 15
Which statement is correct regarding a routed port on a multilayer switch?

• A. A routed port requires an SVI definition.
• B. Routed ports cannot be configured on a multilayer switch that uses SVIs.
• C. A maximum of 32 routed ports can be provisioned on a given multilayer switch.
• D. A routed port is a physical port that supports Layer 3 routing.

Answer: D

NEW QUESTION 16
Refer to the exhibit.

Which type of network communication is depicted?

• A. 802.3 frame
• B. Ethernet packet
• C. TCP frame
• D. UDP packet

Answer: A

NEW QUESTION 17
Refer to the exhibit. Both Cisco Nexus 5596UP Switches have one Layer 3 card installed each. Which two additional options are available? (Choose two.)

• A. Eight additional Cisco Nexus 2000 switches can be connected in the same manner.
• B. Sixteen additional Cisco Nexus 2000 switches can be connected eight individually to each 5596.
• C. One additional Layer 3 expansion module can be installed in each 5596 to increase the Layer 3 forwarding capability.
• D. FEX ports can be configured as router ports, extending Layer 3 redundancy to top of rack.
• E. FEX ports can be configured for FCoE, reducing cabling footprint.
• F. Sixteen additional Cisco Nexus 2000 switches can be connected in the same manner.

Answer: AB

NEW QUESTION 18
What is the most efficient Class C IP subnet that allows for at least 67 usable host addresses?

• A. 192.168.67.0 255.255.128.0
• B. 172.16.100.0 255.255.255.128
• C. 192.168.100.0 255.255.255.128
• D. 10.100.100.0 255.255.255.128
• E. 172.16.67.0 255.255.128.0
• F. 10.100.67.0 255.255.128.0

Answer: C

NEW QUESTION 19
Refer to the exhibit. What will the two resulting tables be on R1 after traffic has successfully passed between Server-1 and PC-A? (Choose two.)

• A. The IP address and MAC of Server-1 will be associated with R1 interface Eth0.
• B. The IP address and MAC of PC-A will be associated with R1 interface Eth1.
• C. The IP address of Server-1 and MAC address of SW1 interface E1/1 will be associated with R1 interface Eth0.
• D. The IP address of PC-A and MAC address of SW2 interface E1/48 will be associated with R1 interface Eth1.
• E. The IP address of Server-1 and MAC address of SW1 interface E1/13 will be associated with R1 interface Eth0.
• F. The IP address of PC-A and MAC address of SW2 interface E1/9 will be associated with R1 interface Eth1.

Answer: AB