What is an IPsec protocol that provides data confidentiality and authentication for IP packets?
IKE
RSA
ESP
AH
ESP
2
Refer to the exhibit. A tunnel was implemented between routers R1 and R2. Which two conclusions can be drawn from the R1 command output? (Choose two.)
A GRE tun...
what is an ipsec protocol that provides data confidentiality and authentication for ip packets
refer to the exhibit a tunnel was implemented between routers
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WAN chapter 7
What is an IPsec protocol that provides data confidentiality and authentication for IP
packets?
IKE
RSA
ESP
AH - Answer ESP
2
Refer to the exhibit. A tunnel was implemented between routers R1 and R2. Which two
conclusions can be drawn from the R1 command output? (Choose two.)
A GRE tunnel is being used.
This tunnel mode provides encryption.
The data that is sent across this tunnel is not secure.
This tunnel mode does not support IP multicast tunneling.
This tunnel mode is not the default tunnel interface mode for Cisco IOS software. -
Answer A GRE tunnel is being used.
The data that is sent across this tunnel is not secure.
Which two scenarios are examples of remote access VPNs? (Choose two.)
A toy manufacturer has a permanent VPN connection to one of its parts suppliers.
A mobile sales agent is connecting to the company network via the Internet connection
at a hotel.
A small branch office with three employees has a Cisco ASA that is used to create a
VPN connection to the HQ.
An employee who is working from home uses VPN client software on a laptop in order
to connect to the company network.
, All users at a large branch office can access company resources through a single VPN
connection. - Answer An employee who is working from home uses VPN client software
on a laptop in order to connect to the company network.
A mobile sales agent is connecting to the company network via the Internet connection
at a hotel.
Which remote access implementation scenario will support the use of generic routing
encapsulation tunneling?
a mobile user who connects to a SOHO site
a mobile user who connects to a router at a central site
a central site that connects to a SOHO site without encryption
a branch office that connects securely to a central site - Answer a central site that
connects to a SOHO site without encryption
A network design engineer is planning the implementation of a cost-effective method to
interconnect multiple networks securely over the Internet. Which type of technology is
required?
a leased line
a VPN gateway
a GRE IP tunnel
a dedicated ISP - Answer a VPN gateway
How is "tunneling" accomplished in a VPN?
New headers from one or more VPN protocols encapsulate the original packets.
Packets are disguised to look like other types of traffic so that they will be ignored by
potential attackers.
All packets between two hosts are assigned to a single physical medium to ensure that
the packets are kept private.
A dedicated circuit is established between the source and destination devices for the
duration of the connection. - Answer New headers from one or more VPN protocols
encapsulate the original packets.
What is the purpose of utilizing Diffie-Hellman (DH) algorithms as part of the IPsec
standard?
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