WorksheetsVPN and IPsec Concepts
Total questions: 20
Worksheet time: 10mins
What is the primary purpose of a VPN?
To provide faster internet speeds
To encrypt private network data over a public network
To replace firewalls in a network
To improve Wi-Fi range
Which of the following is NOT a benefit of VPNs?
Cost savings
Scalability
Complexity
Security
What type of VPN allows users to securely connect to an enterprise network from a remote location?
Site-to-site VPN
Remote-access VPN
MPLS VPN
GRE VPN
What are the two common configurations for VPN deployment?
IPsec and SSL
MPLS and DMVPN
Site-to-site and Remote-access
Layer 2 and Layer 3 VPN
Which protocol is commonly used in remote-access VPNs to establish encrypted tunnels?
PPP
IPsec or SSL
HTTP
FTP
What does SSL use for authentication in a VPN connection?
PSK
Digital certificates
GRE
Username and password
In a site-to-site VPN, what device terminates the VPN connection?
VPN gateway
Client device
Wireless access point
Web server
What is the primary characteristic of GRE in a VPN?
GRE encrypts traffic for security
GRE is a non-secure tunneling protocol
GRE provides faster packet transmission
GRE is only used for remote-access VPNs
What is DMVPN commonly used for?
Dynamic, scalable VPNs
Encrypted local access
High-speed internet connections
Data storage replication
Which of the following VPN solutions is typically managed by a service provider?
Remote-access VPN
MPLS VPN
IPsec VTI
SSL VPN
Which protocol encapsulates packets using either AH or ESP?
PPP
IPsec
DMVPN
MPLS
What is the primary purpose of IPsec's ESP protocol?
Authentication
Encryption
Error correction
Packet forwarding
What algorithm is used in IPsec to ensure the integrity of a message?
AES
HMAC
SHA
RSA
Which type of VPN authentication involves manually entering a shared key on both ends?
RSA authentication
Pre-Shared Key (PSK)
SSL authentication
Certificate-based authentication
RSA authentication in IPsec uses what to authenticate peers?
Public and private keys
Shared secrets
Diffie-Hellman key exchange
MAC addresses
What is the primary function of Diffie-Hellman (DH) in a VPN?
To encrypt data
To verify the integrity of the message
To establish a shared secret key
To create digital certificates
Which IPsec protocol provides both encryption and authentication?
AH
ESP
GRE
L2TP
What is one key advantage of using MPLS for VPNs?
Lower encryption costs
Reduced need for dedicated hardware
Traffic management by the service provider
Easier setup of remote access
Which VPN solution is best for securely connecting two branch offices over the internet?
Remote-access VPN
Site-to-site VPN
SSL VPN
Cellular VPN
Which of the following is responsible for encrypting traffic in a VPN tunnel?
VPN gateway
IPsec
MPLS
DHCP
