C3
What device filters broadcasts?
A. Layer 2 switch
B. Hub
C. Layer 3 switch
D. Router
E. A and c
F. A and d
G. a, c, and d
What is the maximum segment distance for Fast Ethernet over unshielded twisted-pair (UTP)?
A. 100 feet
B. 500 feet
C. 100 meters
D. 285 feet
What device limits the collision domain?
A. Layer 2 switch
B. Hub
C. Layer 3 switch
D. Router
E. A and c
F. C and d
G. a, c, and d
The summarization of routes is a best practice at which layer?
A. Access layer
B. Distribution layer
C. Core layer
D. WAN layer
What type of LAN switches are preferred in the campus backbone of an enterprise network?
A. Layer 2 switches
B. Layer 3 switches
C. Layer 3 hubs
D. Hubs
Two workstations are located on separate VLANs. They exchange data directly. What type of application is this?
A. Client/server
B. Client-peer
C. Peer-peer
D. Client-enterprise
Which type of cable is the best solution in terms of cost for connecting an access switch to the distribution layer requiring 140 meters?
A. UTP
B. Copper
C. Multimode fiber
D. Single-mode fiber
Which mechanism transitions an access port directly to forwarding state?
A. UplinkFast
B. RootGuard
C. PortFast
D. AccessPortFast
True or false: Layer 2 switches control network broadcasts.
T
F
True or false: Packet marking is also called coloring. TRUE
T
F
True or false: Usually, the distribution and core layers are collapsed in medium-size networks.
T
F
Which of the following is an example of a peer-to-peer application?
A. IP phone call
B. Client accessing file server
C. Web access
D. Using a local server on the same segment
What primary design factors affect the design of a campus network? (Select three.)
A. Environmental characteristics
B. Number of file servers
C. Infrastructure devices
D. Fiber and UTP characteristics
E. Network applications
F. Windows, Linux, and mainframe operating systems
You need to connect a building access switch to the distribution switch. The cable distance is 135 m. What type of cable do you recommend?
A. UTP
B. Coaxial cable
C. Multimode fiber
D. Single-mode fiber
Which layer of the campus network corresponds to the data center aggregation layer?
A. Core layer
B. Distribution layer
C. Access layer
D. Server farm
Which of the following is an access layer best practice?
A. Reduce switch peering and routing.
B. Use HSRP and summarize routes.
C. Disable trunking and use RPVST+.
D. Offload SSL sessions and use load balancers.
Which of the following is a distribution layer best practice?
A. Reduce switch peering and routing.
B. Use HSRP and summarize routes.
C. Disable trunking and use RPVST+.
D. Offload SSL sessions and use load balancers
Which of the following is a core layer best practice?
A. Reduce switch peering and routing.
B. Use HSRP and summarize routes.
C. Disable trunking and use RPVST+.
D. Offload SSL sessions and use load balancers
Which of the following is a DC aggregation layer best practice?
A. Reduce switch peering and routing.
B. Use HSRP and summarize routes.
C. Disable trunking and use RPVST+.
D. Offload SSL sessions and use load balancers.
Which of the following are threats to the edge distribution?
A. IP spoofing
B. Network discovery
C. Packet-capture devices
D. All of the above
An enterprise network has grown to multiple buildings supporting multiple departments. Clients access servers that are in local and other buildings. The company security assessment has identified policies that need to be applied. What do you recommend?
A. Move all departments to a single building to prevent unauthorized access.
B. Move all servers to one of the LAN client segments.
C. Move all servers to a server farm segment that is separate from client LANs.
D. Move all servers to the building distribution switches.
Link redundancy and infrastructure services are design considerations for which layers?
A. Core layer
B. Distribution layer
C. Access layer
D. All of the above
Which of the following are server connectivity methods in the server farm?
A. Single NIC
B. EtherChannel
C. Content switch
D. All of the above
What is the recommended method to connect the distribution switches to the core?
A. Redundant triangle links
B. Redundant cross-connect links
C. Redundant Layer 3 squares
D. Redundant Layer 2 links
A campus network of four buildings is experiencing performance problems. Each building contains 400 to 600 devices, all in one IP subnet. The buildings are connected in a hub-and-spoke configuration back to building 1 using Gigabit Ethernet with multimode fiber. All servers are located in building 1. What do you recommend to improve performance?
A. Connect all buildings in a ring topology.
B. Implement multiple VLANs in each building.
C. Move servers to the buildings.
D. Use single-mode fiber to make the Gigabit Ethernet links faster.
Which of the following is true about data link layer broadcasts?
A. Not controlled by routers
B. Not forwarded by routers
C. Not forwarded by switches
D. Not controlled by VLANs
True or false: Layer 3 switches bound Layer 2 collision and broadcast domains.
T
F
True or false: IP phones and LAN switches can reassign a frame’s CoS bits
T
F
Which are environmental characteristics? (Select three.)
A. Transmission media characteristics
B. Application characteristics
C. Distribution of network nodes
D. Operating system used
E. Remote-site connectivity requirements
Which network application type is most stringent on the network resources?
A. Peer-to-peer
B. Client to local server
C. Client to server farm
D. Client to enterprise edge
Why is LAN switching used more than shared LAN technology? (Select two.)
A. Shared LANs do not consume all available bandwidth.
B. Switched LANs offer increased throughput.
C. Switched LANs allow two or more ports to communicate simultaneously.
D. Switched LANs forward frames to all ports simultaneously.
An application used by some users in a department generates significant amounts of bandwidth. Which is a best design choice?
A. Rewrite the application to reduce bandwidth.
B. Use Gigabit Ethernet connections for those users.
C. Put the application users into a separate broadcast domain.
D. Add several switches and divide the users into these switches.
Users access servers located on a server VLAN and servers located in departmental VLANs. Users are located in the departmental VLAN. What is the expected traffic flow from users to servers?
A. Most traffic is local.
B. All traffic requires multilayer switching.
C. There is no need for multilayer switching.
D. Most of the traffic will have to be multilayer switched.
Company departments are located across several buildings. These departments use several common servers. Network policy and security are important. Where should servers be placed?
A. Within all department buildings, and they should duplicate the common servers in each building.
B. Connect the common servers to the campus core.
C. Use a server farm.
D. Connect the servers to the distribution layer.
. A large company has a campus core. What is the best practice for the core campus network?
A. Use triangles.
B. Use squares.
C. Use rectangles.
D. Use point-to-point mesh.
A company has five floors. It has Layer 2 switches in each floor with servers. It plans to move servers to a new computer room and create a server farm. What should it use?
A. Replace all Layer 2 switches with Layer 3 switches.
B. Connect the Layer 2 switches to a Layer 3 switch in the computer room.
C. Connect the Layer 2 switches to a new Layer 2 switch in the computer room.
D. Connect the Layer 2 switches to each other.
A Fast Ethernet uplink is running at 80 percent utilization. Business-critical applications are used. What can be used to minimize packet delay and loss?
A. Implement QoS with classification and policing in the distribution layer.
B. Add additional VLANs so that the business applications are used on PCs on that VLAN.
C. Perform packet bit rewrite in the distribution switches.
D. Classify users in the access with different priority bits.
Which are four best practices used in the access layer?
A. Disable trunking in host ports.
B. Limit VLANS to one closet.
C. Use PVST+ as the STP with multilayer switches.
D. Enable trunking on host ports.
E. Use VLAN spanning to speed convergence of STP.
F. Use VTP Server mode in hierarchical networks.
G. Use VTP Transparent mode in hierarchical networks.
H. Use RPVST+ as the STP with multilayer switches.
Which are three best practices used in the distribution layer?
A. Use HSRP or GLBP.
B. Provide fast transport.
C. Use Layer 3 routing protocols to the core.
D. Use Layer 2 routing protocols to the core.
E. Summarize routes to the core layer.
F. Summarize routes to the access layer.
Which are four best practices used in the distribution layer?
A. Disable trunking in host ports.
B. Limit VLANs to one closet.
C. Use HSRP.
D. Use GLBP.
E. Use VLAN spanning to speed convergence of STP.
F. Use Layer 3 routing to the core.
G. Summarize routes.
H. Use RPVST+ as the STP with multilayer switches.
Which are three best practices used in the core layer?
A. Use routing with no Layer 2 loops.
B. Limit VLANs to one closet.
C. Use HSRP.
D. Use GLBP.
E. Use Layer 3 switches with fast forwarding.
F. Use Layer 3 routing to the core.
G. Use two equal-cost paths to every destination network.
H. Use RPVST+ as the STP with multilayer switches.
Which requirements drive the use of VLANs in a network?
A. Use of non-Cisco equipment
B. Separation of broadcast domains and prevention of traffic between departments
C. Use of CCTV multicast traffic
D. The company budget
What is a major requirement if you use a Layer 3 access layer design?
A. The distribution switches are configured as a VSS pair.
B. The core switches need to support EIGRP.
C. The access layer switch needs to be able to route.
D. HSRP is configured on the distribution switches.
What is an advantage of using the updated Layer 2 access layer design over the traditional model?
A. There is an increase of uplink bandwidth.
B. The updated model adds routing between distribution and access.
C. The access layer switch needs to be able to route.
D. Layer 3 load balancing is enabled.
Which Cisco IOS feature simplifies spanning tree topology?
A. Rapid PVST+
B. MST
C. MISTP 802.1W
D. VSS
Which Cisco STP Toolkit mechanisms are recommend on user access ports?
A. PortFast
B. RootGuard
C. UplinkFast
D. Loop Guard
E. BPDU Guard
You want to enable physical device virtualization. Which feature provides that?
A. VLAN
B. VFR
C. VSS
D. VPN
A network has two distribution switches, A and B, connected via a Layer 2 trunk. Distribution A switch is the HSRP active gateway and STP root. Layer 2 links are used to connect access layer switches to both distribution switches. Which version of spanning tree is recommended?
A. PVST+
B. Rapid PVST+
C. MST
D. VSS
A network has two distribution switches, A and B, connected via a Layer 2 trunk. Distribution A switch is the STP root and distribution B is the active HSRP gateway. Layer 2 links are used to connect access layer switches to both distribution switches. Which statement is true?
A. Traffic will transit from the access switches through distribution switch A through the Layer 2 trunk to distribution switch B.
B. An STP loop will be created.
C. The access switches will not be able to communicate.
D. Loop Guard will prevent the loop from being created.
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