Scaling Networks Chapter 2 Exam

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B. New traffic is discarded by the switch because it is unable to be processed.

What is the outcome of a Layer 2 broadcast storm? A. Routers will take over the forwarding of frames as switches become congested. B. New traffic is discarded by the switch because it is unable to be processed. C. CSMA/CD will cause each host to continue transmitting frames. D. ARP broadcast requests are returned to the transmitting host.

A. Link types are determined automatically.

A network administrator is preparing the implementation of Rapid PVST+ on a production network. How are the Rapid PVST+ link types determined on the switch interfaces? A. Link types are determined automatically. B. Link types must be configured with specific port configuration commands. C. Link types can only be configured on access ports configured with a single VLAN. D. Link types can only be determined if PortFast has been configured.

B. lowest MAC address

If no bridge priority is configured in PVST, which criteria is considered when electing the root bridge? A. highest MAC address B. lowest MAC address C. lowest IP address D. highest IP address

virtual

In FHRP operation, two or more routers are represented as a single __________ router.

D. learning E. forwarding

In which two port states does a switch learn MAC addresses and process BPDUs in a PVST network? (Choose two.) A. disabled B. listening C. blocking D. learning E. forwarding

D. 192.168.2.100

Refer to the exhibit. A network engineer is troubleshooting host connectivity on a LAN that uses a first hop redundancy protocol. Which IPv4 gateway address should be configured on the host? A. 192.168.2.0 B. 192.168.2.1 C. 192.168.2.2 D. 192.168.2.100

mode rapid-pvst

The spanning-tree __________ global configuration command is used to enable Rapid PVST+.

B. GLBP

Refer to the exhibit. Which protocol information is being displayed in the output? A. FHRP B. GLBP C. HSRP D. VRRP

C. The role of the ports in all VLANs. D. The root bridge BID.

To obtain an overview of the spanning tree status of a switched network, a network engineer issues the show spanning-tree command on a switch. Which two items of information will this command display? (Choose two.) A. The IP address of the management VLAN interface. B. The number of broadcasts received on each root port. C. The role of the ports in all VLANs. D. The root bridge BID. E. The status of native VLAN ports.

A. VLAN ID

What additional information is contained in the 12-bit extended system ID of a BPDU? A. VLAN ID B. IP address C. MAC address D. port ID

D. Broadcast frames are forwarded back to the sending switch.

What is a characteristic of a Layer 2 loop? A. A switch is continually forwarding the same unicast frame. B. The Time-to-Live attribute of a frame is set to infinity. C. Routers continually forward packets to other routers.

B. PVST+ optimizes performance on the network through load sharing.

What is an advantage of PVST+? A. PVST+ reduces bandwidth consumption compared to traditional implementations of STP that use CST. B. PVST+ optimizes performance on the network through load sharing. C. PVST+ optimizes performance on the network through autoselection of the root bridge. D. PVST+ requires fewer CPU cycles for all the switches in the network.

B. It provides a continuous network connection when a router fails.

What is the purpose of HSRP? A. It prevents malicious hosts from connecting to trunk ports. B. It provides a continuous network connection when a router fails. C. It prevents a rogue switch from becoming the STP root. D. It enables an access port to immediately transition to the forwarding state.

B. edge ports

Which RSTP ports are connected to end devices? A. trunk ports B. edge ports C. designated ports D. root ports

D. spanning-tree vlan 10 priority 0

Which STP priority configuration would ensure that a switch would always be the root switch? A. spanning-tree vlan 10 priority 4096 C. spanning-tree vlan 10 root primary D. spanning-tree vlan 10 priority 0 E. spanning-tree vlan 10 priority 61440

C. VRRPv2

Which nonproprietary protocol provides router redundancy for a group of routers which support IPv4 LANs? A. SLB B. HSRP C. VRRPv2 D. GLBP

D. MST

Which protocol provides up to 16 instances of RSTP, combines many VLANs with the same physical and logical topology into a common RSTP instance, and provides support for PortFast, BPDU guard, BPDU filter, root guard, and loop guard? A. PVST+ B. STP C. Rapid PVST+ D. MST

A. extended system ID C. MAC address F. bridge priority

Which three components are combined to form a bridge ID? A. extended system ID B. port ID C. MAC address D. cost E. IP address F. bridge priority

D. redundant links between Layer 2 switches E. removing single points of failure with multiple Layer 2 switches

Which two network design features require Spanning Tree Protocol (STP) to ensure correct network operation? (Choose two.) A. static default routes B. implementing VLANs to contain broadcasts C. link-state dynamic routing that provides redundant routes D. redundant links between Layer 2 switches E. removing single points of failure with multiple Layer 2 switches

D. STP E. RSTP

Which two types of spanning tree protocols can cause suboptimal traffic flows because they assume only one spanning-tree instance for the entire bridged network? (Choose two.) A. MSTP B. Rapid PVST+ C. PVST+ D. STP E. RSTP


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