640-875 Exam Details

  • Exam Code
    :640-875
  • Exam Name
    :Building Cisco Service Provider Next-Generation Networks
  • Certification
    :Cisco Certifications
  • Vendor
    :Cisco
  • Total Questions
    :257 Q&As
  • Last Updated
    :Dec 14, 2021

Cisco 640-875 Online Questions & Answers

  • Question 141:

    Refer to the exhibit. Which conclusion about the interface port roles is true?

    A. SW1 interfaces are the root port in the forwarding state
    B. SW1 interfaces are the designated port in the forwarding state
    C. SW3 interfaces are the root port in the forwarding state D. SW3 interfaces are the designated port in the forwarding state

  • Question 142:

    Which interface is the correct interface for the interface numbered as 11 in the correct network diagram?

    A. Fa0/1
    B. Fa0/2
    C. Fa0/21
    D. Fa0/23

  • Question 143:

    A Network Engineer configured NAT for external access but one individual at a time can access the external network. What NAT feature will allow all internal devices to share the same NAT IP address?

    A. Static mapping
    B. Overload feature
    C. NAT DHCP feature
    D. Default route statement

  • Question 144:

    Which mode prevents the counter track from being incremented when a security violation occurs?

    A. shutdown
    B. restrict
    C. protect
    D. guard

  • Question 145:

    Which three statements about Ethernet frames are true? (Choose three.)

    A. Every frame starts with a preamble.
    B. FCS is used to recover single-bit errors.
    C. The source address is positioned behind the destination address.
    D. If the data field is too short, it must be padded.
    E. The dot1q tag size is six bytes.
    F. The source and destination IP addresses are in the header.

  • Question 146:

    A centralized DHCP server has been setup for customer use. What command is required on the customer Switched Virtual Interface (SVI) to allow clients to receive addresses from this server?

    A. switch(config-if)#ip helper-address
    B. switch(config)#ip helper-address
    C. switch(config-if)#ip dhcp-address
    D. switch(config-if)#ip dhcp-gateway
    E. switch(config-if)#helper-address

  • Question 147:

    Which command set is required to enable a remote SNMP query on an IOS-XR router?

    A. control-planemanagement-planeinbandinterface allallow SNMPcommit
    B. control-planemanagement-planeinbandinterface allallow SNMP
    C. snmp server hostsnmp server contactsnmp-server community stringcommit
    D. snmp server hostsnmp server contactsnmp-server community string

  • Question 148:

    What are the four steps to enable SSH v1 and v2 server on Cisco IOS XR routers? (Choose four.)

    A. Configure a host name.
    B. Configure a domain name.
    C. Generate a crypto key pair.
    D. Import the router identity certificate and the CA root certificate to the router.
    E. Configure an ISAKMP policy.
    F. Bring up an SSH server using the ssh server command.

  • Question 149:

    Given the IP address 172.16.170.15 255.255.224.0, which three options are the subnet that this IP address belongs to, the host IP address range on this subnet, and the subnet broadcast IP address? (Choose three.)

    A. subnet = 172.16.160.0/19
    B. subnet = 172.16.170.0/19
    C. subnet = 172.16.192.0/19
    D. host IP address range = 172.16.160.1 to 172.16.191.254
    E. host IP address range = 172.16.170.1 to 172.16.170.254
    F. host IP address range = 172.16.160.1 to 172.16.223.254
    G. subnet broadcast IP address = 172.16.170.255
    H. subnet broadcast IP address = 172.16.191.255
    I. subnet broadcast IP address = 172.16.223.255

  • Question 150:

    In IPv6, which kind of record is used for reverse lookups?

    A. nibble
    B. AAAA
    C. PTR
    D. APL

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