You are tasked with implementing a 1000-phone remote access solution, where phones will
traverse a WAN edge router. Assuming all of the following features are supported in a hardwareassisted manner, which of the following will have the most detrimental impact on the delay of the
packet?

You are designing a Group Encrypted Transport virtual private network solution for an existing
branch network. The existing network has the following characteristics:
50 remote sites (with an additional 30 remote sites expected over the next 3 years)
Connectivity between all sites is via Multiprotocol Label Switching Layer 3 virtual private network
service from a single provider
Open Shortest Path First is the routing protocol used between provider edge and customer edge
routers
The customer edge routers will become group members performing the encryption between
sites
Which additional routing protocol would you use for the overlay routing between the group
members?

Refer to the exhibit.

You are designing a loop-free hierarchical VPLS service. Which two design considerations should
be implemented for the pseudowires between the N-PE and U-PE routers? (Choose two.)

You are designing a network using multipoint GRE tunnels and need to be able to detect when
connectivity between the GRE tunnel endpoints is broken. Which statement is true about
configuring keepalives for multipoint GRE tunnels?

A network designer has provisioned a router to use IPsec to encrypt the traffic over a GRE tunnel
going to a web server at a remote location. From the router, the network designer can ping the
web server, although the users in the office comment that they are unable to reach it. (Note: The
DF bit is not set.) Which aspect should be changed in the design of the virtual connection?

Company X will be integrating an IPv6 application into their network and wants to develop a test
environment to evaluate application performance across the network. This application will require
both unicast and multicast communications. The company can do this implementation only in
certain areas of its existing IPv4-only network, but wants all areas to communicate with each
other. When developing the design to provide connectivity between these testing locations, what
tunneling technology would work in this scenario?

You are working on a network design plan for a company with approximately 2000 sites. The sites
will be connected using the public Internet. You plan to use private IP addressing in the network
design, which will be routed without NAT through an encrypted WAN network. Some sites will be
connected to the Internet with dynamic public IP addresses, and these addresses may change
occasionally. Which VPN solution will support these design requirements?

A company wants to connect two data center sites using a hub-and-spoke design with 2000
remote sites. One design consideration is the requirement to transfer MPLS packets over the
public Internet. In addition, one router at each site should be used, and the MPLS packets must be
encapsulated inside IP packets because the public Internet cannot transfer native MPLS packets.
Which feature can be used to simplify the network design?

When creating a network design that routes an IGP over L2VPNs, with which device does the
remote CE router form an IGP adjacency?

Refer to the exhibit.

An enterprise is migrating its single-area OSPF network from a Frame Relay WAN service to an
MPLS L3VPN service. Frame Relay will remain in only a few sites that require increased resiliency
via two different WAN connections.
Which feature could be used in the ?MPLS VPN service provider network to support the design
requirement by ensuring that during normal operation, intersite traffic will only use the MPLS VPN
service and not the old Frame Relay service?