Cisco 640-911 Exam Dumps 2019
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NEW QUESTION 1
Which address is valid in the data link layer of the OSI reference model?
- A. 192.168.20.1
- B. 09-1B-02-1C-87
- C. 07-AB-02-1F-35-C8
- D. 172.16.10.12
NEW QUESTION 2
When deploying 10BASE-2 Ethernet, what is the maximum cable length?
- A. 100 meters
- B. 100 feet
- C. 150 meters
- D. 150 feet
- E. 185 meters
- F. 185 feet
Explanation: "10BASE2 coax cables have a maximum length of 185 meters (607 ft). " http://en.wikipedia.org/wiki/10BASE2
NEW QUESTION 3
Which two features must be licensed on a Cisco Nexus 7000 Switch? (Choose two.)
- A. Layer 3
- B. Virtual Device Contexts
- C. Virtual Port Channel
- D. Fibre Channel
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
NEW QUESTION 5
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
NEW QUESTION 6
Which device is a multiport bridge?
- A. Router
- B. Switch
- C. Gateway
- D. Concentrator
NEW QUESTION 7
An engineer wants to repurpose a Cisco Nexus 7010 Switch for use in a lab and needs to restore the switch to factory defaults. Which two commands are required? (Choose two.)
- A. write erase boot
- B. write erase debug
- C. copy running-config startup-config
- D. reboot
- E. reload
- F. copy startup-config running-config
NEW QUESTION 8
What two address and subnet combinations are properly matched? (Choose two.)
- A. 10.230.33.15/28
- B. 10.32.11.67/27
- C. 172.16.255.255/14
- D. 172.25.44.96/26
- E. 192.168.73.223/29
NEW QUESTION 9
In an IEEE 802.3 Ethernet frame, what is the significance of the DSAP field?
- A. The DSAP field specifies the TCP or UDP port that is associated with the transport protocol.
- B. The DSAP field is only used on United States Department of Defense networks to indicate the information classification level.
- C. The DSAP field is only used in Ethernet II frames.
- D. The DSAP field indicates the network layer protocol.
NEW QUESTION 10
Refer to the exhibit. What two commands will allow the Nexus 5000 switch to continue to boot? (Choose two.)
- A. boot n5000-uk9-kickstart.5.2.1.N1.4.bin
- B. load n5000-uk184.108.40.206.N1.4.bin
- C. copy kickstart-latest n5000-uk9-kickstart.5.2.1.N1.4.bin startup
- D. copy system-latest n5000-uk220.127.116.11.N1.4.bin
- E. boot n5000-uk18.104.22.168.N1.4.bin admin-password Cisco123
- F. load n5000-uk9-kickstart.5.2.1.N1.4.bin
NEW QUESTION 11
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
Explanation: "Token ring local area network (LAN) technology was a protocol which resided at the data link layer (DLL) of the OSI model."
NEW QUESTION 12
NEW QUESTION 13
A router cannot forward packets to supernets. What are two causes of this problem? (Choose two.)
- A. The router is configured with Classless IP routing.
- B. The router is configured with Classfull IP routing.
- C. IP Classless command is not configured on the router.
- D. Only static routing is configured.
- E. Variable Length Subnet Mask is not used in choosing the IP addresses.
NEW QUESTION 14
NEW QUESTION 15
Which version of Cisco Nexus Operating System became a common operating system for Cisco Nexus switches and Cisco MDS storage switches?
- A. 2.7
- B. 3.3
- C. 3.9
- D. 4.1
- E. 5.01GD
- F. 6.2
Explanation: "While many of the changes leading to convergence are product releases and features, others are more symbolic. One of these symbolic changes is the rebranding, of Cisco® MDS 9000 SAN-OS Software as Cisco MDS 9000 NX-OS® Software effective with Release 4.1." http://www.cisco.com/en/US/prod/collateral/ps4159/ps6409/ps5989/ps9898/Rebranding_M DS_9000.html
NEW QUESTION 16
In an IPv6 address, how many bits are used for the interface identifier?
- A. 48
- B. 16
- C. 64
- D. 128
- E. 10
NEW QUESTION 17
On a new Cisco Nexus switch, you receive an error message when you attempt to create an SVI. What is the first command you must use to create the SVI?
- A. Interface vlan (vlan_id)
- B. Vlan (vlan_id)
- C. Feature svi
- D. Interface routed
==Configuring a Switched Virtual Interface (SVI)== feature interface-vlan
interface vlan 10
ip address 192.168.1.1./24 no shutdown
NEW QUESTION 18
Which Cisco data center switch can support a 4-RU physical space requirement and also support FEX, Layer 2 and Layer 3, converged FCoE, and up to ninety-six 40-Gigabit Ethernet ports?
- A. Cisco Nexus 5548 Switch
- B. Cisco Nexus 5010 Switch
- C. Cisco Nexus 1010 Switch
- D. Cisco Nexus 7004 Switch
- E. Cisco Nexus 6004 Switch
NEW QUESTION 19
Which device does a network engineer use to break the network environment into smaller collision domains?
- A. switch
- B. router
- C. hub
- D. repeater
- E. CSU/DSU
NEW QUESTION 20
What is required to allow devices that are using RFC 1918 addresses to communicate over the Internet?
- A. A private to public VLAN must be defined on the Internet border device.
- B. The Internet firewall must permit RFC 1918 addresses.
- C. VLAN translation is required on the Internet border device.
- D. Network address translation is required on the Internet border device.
Explanation: "The majority of NATs map multiple private hosts to one publicly exposed IP address. In a typical configuration, a local network uses one of the designated "private" IP address subnets (RFC 1918)"
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