Online Access Free 640-875 Exam Questions

Which feature is used to protect the control plane of the router?

• A.VRF
• B.SSH
• C.Routing protocol authentication
• D.uRPF
• E.Port security
• F.SSL

Company policy only allows SSH for remote access into Cisco routers. Which configuration would only allow SSH?

• A.transport preferred SSH
• B.access-lists 101 deny tcp any eq telnet
• C.access-class 101 out
• D.transport input SSH
• E.access-class 101 in

An engineer must set up a password to be used for privilege exec mode and wants the password to be stored in the most secure method. Which command must the engineer use?

• A.enable secret cisco
• B.enable password cisco
• C.username support password cisco
• D.username support secret cisco

What is the result of using the Cisco IOS copy tftp: run command?

• A.The running configuration on the Cisco IOS device is replaced with the saved configuration file on the TFTP server.
• B.Only new configuration parameters from the saved configuration file on the TFTP server are added to the running configuration. No changes to any existing configuration parameters in the running configuration are made.
• C.The configuration stored in the TFTP server is merged with the running configuration on the Cisco IOS device.
• D.The saved configuration file from the TFTP server is copied to the target configuration.
• E.The running configuration on the Cisco IOS device is backed up to the TFTP server.

Which two statements about Packet over SONET are true? (Choose two.)

• A.The Cisco POS interface supports Cisco HDLC and PPP encapsulation.
• B.The FCS field can be set to 16 bits on one end and 32 bits on the other end of a POS connection without causing any connectivity issues.
• C.The Layer 2 frame is encapsulated into a generic HDLC header (not Cisco proprietary HDLC) and placed into the appropriate SONET Payload Envelope.
• D.POS can be used in a point-to-point or point-to-multipoint environment.
• E.POS is a Layer 2 technology that uses PPP in ATM encapsulation and SONET framing.