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29 Dec

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Following questions and answers are all new published by Cisco Official Exam Center: http://www.lead2pass.com/300-320.html

Voice and video-conferencing applications that support multistreaming use which protocol?

A.    TCP
B.    RTP
C.    Multipath TCP
D.    SCTP

Answer: D

Drag and Drop Question
Drag the rule on the left to match the appropriate activity on the right.



Which two features can you implement to control which networks are advertised by a BGP router? (Choose two.)

A.    prefix lists
B.    route maps
C.    policy maps
D.    router SNMP statements
E.    crypto maps

Answer: AB

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

B.    LDAP
C.    Kerberos
E.    local
F.    SNMP

Answer: ABC

In what situation must spanning-tree be implemented?

A.    when first hop redundancy protocol exists with redundant Layer 2 links between distribution switches
B.    when a VLAN spans access layer switches to support business applications
C.    when trunks need to extend multiple VLANs across access switches
D.    when it is necessary to speed up network convergence in case of link failure

Answer: A

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

A.    VSS does not have to be configured.
B.    Transparent Interconnection of Lots of Links can be configured simultaneously.
C.    Equal-Cost Multipath can be used to choose the forwarding path.
D.    The control plane and management plane remain separate.

Answer: C

Which two features provide resiliency in a data center? (Choose two.)

A.    Cisco FabricPath
B.    VTP
C.    encryption
D.    vPC
E.    VRF

Answer: AD

Which option is correct when using VSS to combine two physical switches into one logical switch?

A.    Both data planes forward traffic simultaneously.
B.    Only one data plane forwards traffic, while the other data plane is on standby.
C.    Both control planes forward traffic simultaneously.
D.    Control planes are combined into one virtual control plane.

Answer: D

Why is QoS important for in-band management?

A.    It supports remote management when traffic volume is high.
B.    It supports proper routing.
C.    It supports network security against DoS attacks and worm outbreaks.
D.    It supports network redundancy.

Answer: A

Which VPN technology supports dynamic creation of spoke-to-spoke VPN tunnels to provide a scalable design?

A.    IPsec
B.    GRE over IPsec
D.    GRE

Answer: C

Which statement best describes Cisco OTV internal interfaces?

A.    They are Layer 2 interfaces that are configured as either access or trunk interfaces on the switch.
B.    They are interfaces that perform Layer 3 forwarding with aggregation switches.
C.    They are the interfaces that connect to the ISP.
D.    They are tunnel interfaces that are configured with GRE encapsulation.

Answer: A

Which option is a method of restricting access for users based on user roles and locales?

A.    RBAC
B.    ACE
C.    LDAP

Answer: A

Which option does best practice dictate for the maximum number of areas that an OSPF router should belong to for optimal performance?

A.    1
B.    2
C.    3
D.    4
E.    5

Answer: C

Which ISP technology can be implemented as a service when designing a topology to perform extranet connectivity via multitenant segmentation from within a corporate intranet?

A.    Cisco Easy VPN
B.    GRE over IPsec
C.    MPLS
D.    VTI
E.    VPNaaS

Answer: C

What are two advantages of using Cisco FEX devices in the data center design? (Choose two.)

A.    Traffic-forwarding decisions are made by the Cisco FEX device.
B.    Cisco FEX devices must be upgraded when the parent switch is upgraded.
C.    Traffic-forwarding decisions are made by the parent switch, resulting in easier troubleshooting and centralized management.
D.    Cisco FEX devices do not have to be upgraded when the parent switch is upgraded, resulting in cost savings.
E.    Cisco FEX devices can be part of two different VDCs.

Answer: CD

What are three primary components in IS-IS fast convergence? (Choose three.)

A.    event propagation
B.    LSP flooding
C.    fast hellos
D.    matching MTUs
E.    updating RIB and FIB
F.    SPF calculation

Answer: AEF

Which option is an advantage of using PIM sparse mode instead of PIM dense mode?

A.    No RP is required.
B.    There is reduced congestion in the network.
C.    IGMP is not required.
D.    It floods all multicast traffic throughout the network.

Answer: B

What are two benefits of using 6to4 as an IPv6 transition method? (Choose two.)

A.    6to4 tunnels allow isolated IPv6 domains to be remotely connected over IPv4 networks.
B.    Manual configuration (scalability) is easier.
C.    Point-to-multipoint automatic tunneling (automatic 6to4) is available.
D.    An infinite number of address spaces are allocated to an IPv6 subnet.
E.    Globally unique IPv4 addresses are not required.

Answer: AC

In which multicast configuration is MSDP most useful?

A.    interdomain
B.    intradomain
C.    data center
D.    campus

Answer: A

A network engineer is building a LAN design that includes Cisco NAC. What two characteristics of an out-of-band NAC deployment are important to consider when evaluating it for the design? (Choose two.)

A.    supported by a limited number of switch models
B.    never in-line with user traffic
C.    aggregate client traffic is constrained to NAC server port speed
D.    recommended if sharing ports between IP phones and PCs
E.    supports real IP gateway (routed mode)

Answer: AD

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