Which STP feature can prevent other switches on the network from becoming the root switch, but still allow that interface to particiate in STP otherwise?

A. BPDU Guard

A customer has several remote sites connected with the HQ via microwave links. An engineer has been asked to propose a backup WAN connectivity for these sites with these requirements:
✑ Physical WAN connectivity is not available for most of these sites.
✑ A low-cost and fast-to-implement backup solution must be deployed.
✑ Bandwidth needs for the backup link are low.
✑ Users can tolerate a WAN outage of up to 2 hours.
Which backup WAN link type does the engineer recommend?

A. LTE

B. 802.16 WiMAX

C. laser link

D. 802.15.1 Bluetooth

Which technology can block interfaces and provide a loop-free topology?

A. STP

B. VSS

C. VLAN

D. vPC

Which two security measures must an engineer follow when implementing Layer 2 and Layer 3 network design? (Choose two.)

A. Utilize DHCP snooping on a per VLAN basis and apply ip dhcp snooping untrusted on all ports.

B. Utilize the native VLAN only on trunk ports to reduce the risk of a Double-Tagged 802.1q VLAN hopping attack.

C. Utilize an access list to prevent the use of ARP to modify entries to the table.

D. Utilize private VLANs and ensure that all ports are part of the isolated port group.

E. Utilize the ARP inspection feature to help prevent the misuse of gARP.

During an upgrade of an existing data center, a network team must design segmentation into existing networks. Due to legacy applications, the IP addresses cannot change. Which firewall deployment model meets these requirements?

A. Routed mode

B. Multicontext mode

C. Transparent mode

D. Cluster mode

A network engineer must propose a scalable enterprise campus access-distribution design model. Which two scaling factors are the most important to be considered for the Virtual Switching System model? (Choose two.)

A. VSS stops VLAN spanning to the access switches.

B. Both VSS nodes are active from control-plane perspective.

C. STP must be implemented as a loop-avoidance mechanism.

D. VSS eliminates the need to implement FHRP for each VLAN.

E. STP root and FHRP primary must be tuned at the same node.

The network engineering team is interested in deploying NAC within the enterprise network to enhance security. What deployment model should be used if the team requests that the NAC be logically inline with clients?

A. Layer 2 in-band

B. Layer 2 out-of-band

C. Layer 3 in-band

D. Layer 3 out-of-band

An OSPF router should have a maximum of how many adjacent neighbors?

A. 100

B. 80

C. 60

D. 50

An engineer is implementing VXLAN to extend layer 2 traffic at three geographically diverse data centers. Which feature is required at each data center to extend this traffic?

A. VTEP

B. VRRP

C. VLSM

D. VPLS

Summary address blocks can be used to support which network application?

A. QoS

B. IPsec tunneling

C. Cisco TrustSec

D. NAT

E. DiffServ

What is the maximum number of routers that each OSPF area (including the backbone) should contain?

A. 30

B. 10

C. 50

D. 100

An engineer is working on a design solution for a large hub-and-spoke EIGRP network. Which feature helps to make this design more stable while also reducing resource utilization?

A. QoS

B. network summarization

C. stub routing

D. route filtering C

Which two statements about 802.1X are true? (Choose two.)

A. It can allow and deny port access based on device identity.

B. It is a Cisco proprietary standard.

C. It works only with wired devices.

D. By default, it allows devices that lack 802.1 support.

E. It can allow and deny port access based on user identity.

An engineer set up a multicast design using all three Cisco supported PIM modes. Which two characteristics of Bidirectional PIM in this situation are true?
(Choose two.)

A. Membership to a bidirectional group is signaled via explicit join messages.

B. In Bidirectional PIM, the RP IP address can be shared with any other router interface.

C. Bidirectional PIM is designed to be used for one-to-many applications.

D. A Cisco router cannot support all three PIM modes simultaneously.

E. In Bidirectional PIM, the RP IP address does not need to be a router.

You are designing a scalable cluster that contains a combination of Cisco APIC-M and APIC-L controllers. Which controller provides the scalability used in the cluster?

A. APIC-M

B. APIC-EM

C. combination of APIC-M and APIC -I

D. APIC-L

An OSPF router should participate in maximum of how many areas?

A. 3

B. 2

C. 1

D. 4

Which technology guarantees loop free network and does not contain the state "listening"?

A. RPVST+

B. STP

C. VSS

Which routing protocol provides the fastest convergence and greatest flexibility within a campus environment?

A. OSPF

B. IS-IS

C. BGP

D. EIGRP

An engineer has proposed the deployment of a Cisco ACI fabric solution to introduce automation and zero-touch operation experience to a DC network. Which type of virtualization technology is utilized by the Cisco ACI to encapsulate the traffic inside the fabric and to virtualize the physical infrastructure?

A. IPsec

B. NSX

C. STP

D. VXLAN

Which three statements about 802.1X are true

A. it is IEEE standard

B. It works only with wired devices

C. It can allow and deny port access based on device identity

When designing a Data Center Interconnect solution, which two statements describe benefits of utilizing A-VPLS for Layer 2 extension? (Choose two.)

A. Redundancy is addressed without enabling Spanning Tree Protocol in the core.

B. The overlay of the Layer 2 connection on the Layer 3 transport hides any physical convergence.

C. Integrated Layer 3 technology responds upon failure.

D. A-VPLS utilizes the Cisco Catalyst 6500 Series VSS feature to provide native dual-homing.

E. A-VPLS provides flow-based load balancing over equal-cost multipath paths.

An engineer is redesigning the infrastructure for a campus environment. The engineer must maximize the use of the links between the core and distribution layers.
By which two methods can this usage be maximized? (Choose two.)

A. Design with multiple unequal-cost links between the core and distribution layers.

B. Design the links between the core and distribution layers to use an IGP.

C. Design with multiple equal-cost links between the core and distribution layers.

D. Design the links between the core and distribution layers to use HSRP.

E. Design the links between the core and distribution layers to use RPVSTP+.

EIGRP uses which algorithm to build a routing table?

A. Dijkstra’s algorithm

B. Floyd-Warshall algorithm

C. Diffusing Update Algorithm

D. Johnson’s algorithm

To which network layer should Cisco Express Forwarding be tuned to support load balancing and to make more informed forwarding decisions?

A. Layer 1

B. Layer 2

C. Layer 3

D. Layer 4

E. Layer 5

F. Layer 6

G. Layer 7

A network engineer is designing an access layer that requires all uplinks to be active. Furthermore, VLANs must span across the entire switch block. What design fulfills this requirement?

A. Layer 2 looped triangle

B. Layer 2 looped square

C. Layer 2 loop-free U

D. Layer 2 loop-free inverted U

What is the maximum number of neighbors that a router should have in an OSPF area?

A. 5

B. 30

C. 60

D. 99

What is an advantage of using the vPC feature in a data center environment?

A. VSS is a requirement.

B. Multiple instances of control plane are formed.

C. The control plane and management plane remain separate.

D. Cisco FabricPath technology does not have to be configured.

WHich option is correct when using Virtual Switching System

A. Both control planes forward traffic simultaneously

An HSRP design requirement states that preemption must be enabled for the active switch, which is a Cisco 4507R. Assume a boot time of 300 seconds. Which setting of the preemption delay timer minimizes the loss of traffic?

A. 50 seconds

B. 100 seconds

C. 150 seconds

D. 200 seconds

Which of the following is true concerning best design practices at the switched Access layer of the traditional layer2 Enterprise Campus Network?

A. Cisco NSF with SSO and redundant supervisors has the most impact on the campus in the Access layer

B. Provide host-level redundancy by connecting each end device to 2 separate Access switches

C. Offer default gateway redundancy by using dual connections from Access switches to redundant Distribution layer switches using a FHRP

D. Include a link between two Access switches to support summarization of routing information from the Access to the Distribution layer

Which security function is inherent in an Application Centric Infrastructure network?

A. Default Inter-EPG connectivity

B. Intrusion Detection

C. Default Denial Network

D. Intrusion Prevention

Which QoS mechanism uses RSVP?

A. IntServ

B. DiffServ

C. CoS

D. ToS

During the design of a new data center, a company requires that access switches be placed near servers without requiring a one-to-one ratio of switches to network racks. Which switch layout must be used?

A. end ofrow

B. top of rack

C. integrated

D. centralized

An engineer must ensure Layer 2 extension capabilities over any transport infrastructure. Which interconnective data center functionality satisfies this requirement?

A. Private line

B. OTV

C. VPLS

D. EoMPLS

While designing a backup BGP solution, a network engineer wants to ensure that a single router with multiple connections prefers the routes from a specific connection over all others. Which BGP path selection attribute is considered first when selecting a route?

A. AS-LENGTH

B. MED

C. link bandwidth

D. WEIGHT

An engineer is designing a Layer 3-enabled access layer.
Which design recommendation must the engineer consider when deploying EIGRP routing within the access layer?

A. Configure all edge access layer switches to use a stub routing feature.

B. Implement floating static routes on access switches for redundant links.

C. Use the First Hop Redundancy Protocol on access layer switches.

D. Enable multiple uplinks from each access switch stack to the distribution switches.

Which three authentication services are supported by Cisco NAC Appliance? (Choose three.)

A. RADIUS

B. LDAP

C. Kerberos

D. TACACS+

E. local

F. SNMP

Which Cisco NX-OS feature can be used to build highly scalable Layer 2 multipath networks without utilizing the Spanning Tree Protocol?

A. vPC

B. FabricPath

C. MST

D. OTV B

What are two methods of ensuring that the multicast RPF check passes without changing the unicast routing table? (Choose two.)

A. disabling the interface of the router back to the multicast source

B. disabling BGP routing protocol

C. implementing MBGP

D. implementing OSPF routing protocol

E. implementing static mroutes

An organization is acquiring another company and merging the two company networks. No subnets overlap, but the engineer must limit the networks advertised to the new organization. Which feature implements this requirement?

A. route filtering

B. stub area

C. passive interface

D. interface ACL

While designing quality of service policies, which two types of traffic must be prioritized as management traffic? (Choose two.)

A. RADIUS

B. SSH

C. SCP

D. HTTPS

E. ICMP

When a site has Internet connectivity with two different ISP’s, which two strategies are recommended to avoid becoming a BGP transit site? (Choose two.)

A. Advertise all routes to both ISPs.

B. Filter routes outbound to the ISPs.

C. Accept all inbound routes from the ISPs.

D. Filter routes inbound from the ISPs.

E. Use a single service provider.

A network engineer must select a network technology to simplify the extension of Layer 2 networks between data centers with a requirement of less than 4,000
VLANs. Which two network technologies accomplish this requirement? (Choose two.)

A. MPLS

B. L2TP

C. VXLAN

D. LISP

A network engineer must use an Internet connection to provide backup connectivity between two sites. The backup connection must be encrypted and support multicast.
Which technology must be used?

A. GETVPN

B. IPsec direct encapsulation

C. DMVPN

D. GRE over IPsec

Which statement about the ToR design model is true?

A. It can shorten cable runs and simplify rack connectivity.

B. Each ToR switch must be individually managed.

C. Multiple ToR switches can be interconnected to provide a loop-free spanning-tree infrastructure.

D. It can connect servers that are located in separate racks.

In what situation must spanning-tree be implemented?

A. when fast convergence is required for link failures

B. when redundant Layer 2 links, that are not part of a single EtherChannel or bundle, exist between distribution switches

C. when trunks need to extend multiple VLANs across access switches

D. when a VLAN spans access layer switches

Management has chosen to implement a top-of-the-rack data center design. Which two benefits of moving to this model are true? (Choose two.)

A. easier per rack upgrades

B. fewer ports required in the aggregation

C. fewer switches to manage

D. directly connected racks in the row

E. decreased cabling costs AE

An engineer is considering time of convergence in a new Layer 3 environment design. Which two attributes must be considered? (Choose two.)

A. OSPF database updates

B. SPT timers updates

C. Addition of a valid forwarding path

D. Forwarding table updates

E. Loss of a valid forwarding path

An engineering team must allow communications between a new two-tier application in a Cisco Application-Centric Infrastructure environment.
Which two elements must be configured to allow communications between two endpoint groups that represents the application? (Choose two.)

A. context

B. filter

C. access control list

D. contract

E. route map

How does stub routing affect transit routes in EIGRP?

A. Transit routes are passed from a stub network to a hub network.

B. It is designed to prevent the distribution of external routes.

C. It prevents the hub router from advertising networks learned from the spokes.

D. Transit routes are filtered from stub networks to the network hub.