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NEW QUESTION 1
What two statements about functions within the OSI layer model are true? (Choose two.)

  • A. data at Layer 3 is referred to as a Frame
  • B. routing function happen at Layer 3
  • C. network layer is responsible for assigning a MAC address to NIC
  • D. ARP is a Layer 2 protocol
  • E. encryption of data happens at the Transport Layer

Answer: BD

NEW QUESTION 2
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.

Answer: D

NEW QUESTION 3
Which device would you select to partition a network into VLANs?

  • A. repeater
  • B. bridge
  • C. switch
  • D. router
  • E. hub

Answer: C

NEW QUESTION 4
Which two addresses represent multicast addresses? (Choose two.)

  • A. 224.1.47.5
  • B. 240.100.22.3
  • C. FF05::1
  • D. 2001::1

Answer: AC

NEW QUESTION 5
What is the maximum distance that is supported by Cisco passive Twinax cables?

  • A. 3 m
  • B. 4 m
  • C. 5 m
  • D. 10 m

Answer: C

NEW QUESTION 6
After a firewall is installed in the network, users have lost FTP access to the remote Cisco Nexus switches, but the TFTP access still works. Which protocol is blocked by the firewall?

  • A. UDP
  • B. TCP
  • C. IP
  • D. ICMP
  • E. RIP

Answer: B

NEW QUESTION 7
Where are start-up configurations saved on a Cisco router?

  • A. Flash
  • B. ROM
  • C. NVRAM
  • D. Boot Flash

Answer: C

NEW QUESTION 8
Which two networking devices operate at Layer 1 of the OSI model? (Choose two.)

  • A. Repeater
  • B. Bridge
  • C. Switch
  • D. Router
  • E. Hub

Answer: AE

Explanation: It defines the electrical and physical specifications of the data connection. It defines the relationship between a device and a physical transmission medium (e.g. a copper or fiber optical cable). This includes the layout of pins, voltages, line impedance, cable specifications, signal timing, hubs, repeaters, network adapters, host bus adapters (HBA used in storage area networks) and more."
http://en.wikipedia.org/wiki/OSI_model

NEW QUESTION 9
When you configure the Call Home feature on the Cisco Nexus 5000 Series Switch, which three parameters are mandatory? (Choose three.)

  • A. contract ID
  • B. email-contact
  • C. switch priority
  • D. phone number
  • E. customer ID
  • F. site ID
  • G. street address

Answer: BDG

NEW QUESTION 10
HOTSPOT
640-911 dumps exhibit
640-911 dumps exhibit

    Answer:

    Explanation: 640-911 dumps exhibit

    NEW QUESTION 11
    What is the maximum distance that is supported by Cisco active Twinax cables?

    • A. 8 m
    • B. 10 m
    • C. 12 m
    • D. 15 m

    Answer: B

    NEW QUESTION 12
    What are four security features that are included in Cisco Nexus Operating System? (Choose four.)

    • A. Cisco TrustSec
    • B. IEEE 802.1Qau
    • C. CoPP
    • D. port security
    • E. PIM
    • F. SSL VPN
    • G. IPsec VPN
    • H. ACLs

    Answer: ACDH

    Explanation: https://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9402/ps9512/brochure_cisco_nexus_7000_series_security_features.pdf

    NEW QUESTION 13
    Which network topology is most closely associated with classical CSMA/CD?

    • A. bus
    • B. token passing bus
    • C. star
    • D. extended star
    • E. ring

    Answer: A

    Explanation: "For the bus topology, the "classical" access methods are the CSMA/CD.." http://books.google.com/books?id=tmJzufisExQC&pg=PA39&lpg=PA39&dq=classic+CSM A/CD+bus+topology&source=bl&ots=b1L_uaAcVR&sig=Tx8zfIavph8RFr9N5n5EDv2WZZo
    &hl=ru&sa=X&ei=jnDmUsTTD4no4gSd_oGwCw&ved=0CCwQ6AEwAQ#v=onepage&q=cl assic%20CSMA%2FCD%20bus%20topology&f=false

    NEW QUESTION 14
    Which three statements are true concerning RFC 1918 IP addresses? (Choose three.)

    • A. They are globally routable.
    • B. They are not globally routable.
    • C. They must not be filtered at Internet border interfaces.
    • D. They should be filtered at Internet border interfaces.
    • E. They include 10.0.0.0/8, 172.16.0.0/16, and 192.168.1.0/24.
    • F. They include 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.

    Answer: BDF

    Explanation: "The Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of the IP address space for private internets:

    NEW QUESTION 15
    On which two components of a router can a copy of a running-configuration file be saved manually by an engineer for backup purposes? (Choose two.)

    • A. NVRAM
    • B. Flash
    • C. ROM
    • D. RAM
    • E. DRAM

    Answer: AB

    NEW QUESTION 16
    What is the function of the Tab key on the Cisco Nexus Operating System command-line interface?

    • A. redisplays the current command line
    • B. deletes all characters from the cursor to the end of the command line
    • C. clears the terminal screen
    • D. completes a partially entered command if enough characters are present
    • E. moves the cursor one word to the right

    Answer: D

    Explanation: "Completes the word for you after entering the first characters of the word, and then pressing the Tab key. All options that match are presented." http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_1/nx- os/fundamentals/configuration/guide/Cisco_Nexus_7000_Series_NX- OS_Fundamentals_Configuration_Guide Release_4.1_chapter4.html

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