Free Cisco 640-875 Exam Dumps Questions & Answers

Refer to the exhibit.

What does the router do?

• A.  If 172.16.1.3 is reachable, the router blocks all of the HTTP traffic to that IP address. Otherwise, the router sends the traffic based on the routing table
• B.  If 172.16.1.3 is reachable, the router sends all of the HTTP traffic to that IP address. Otherwise, the traffic is dropped
• C.  If 172.16.1.3 is reachable, the router sends the traffic based on the routing table. Otherwise, the traffic is dropped
• D.  If 172.16.1.3 is reachable, the router sends all of the HTTP traffic to that IP address. Otherwise, the router sends the traffic based on the routing table

If a bridge port is in the non-designated state, which two statements about spanning-tree operations on this port are true? (Choose two.)

• A.  This port receives BPDUs.
• B.  This port is considered the root port.
• C.  This port is in the Blocked state.
• D.  This port is in the Forwarding state.
• E.  This port sends BPDUs on the attached link.
• F.  This port has the lowest cost to the root bridge.

Which Layer 2 WAN protocol uses DLCI as the virtual circuit identifier?

• A.  PPP
• B.  Packet over SONET
• C.  ATM
• D.  Frame Relay
• E.  Metro Ethernet

In a ring topology network using only Cisco Catalyst 4500 and Cisco Catalyst 6500 devices and Ethernet as Layer 2 technology, which loop prevention mechanism provides the fastest convergence time in an event of link failure?

• A.  Multiple Spanning Tree Protocol
• B.  Spanning Tree Protocol
• C.  Rapid Per-VLAN Spanning Tree Protocol
• D.  Resilient Ethernet Protocol

How many bits of an 802.1Q header are allocated for a VLAN identifier?

• A.  32
• B.  8
• C.  24
• D.  12