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The two different types of encryption used in EAP are TLS and PEAP

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Pages: 10 (2699 words)
Published: September 26, 2020

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question

After L2TP establishing a VPN tunnel, GRE is used to transmit L2TP data frames through the tunnel.? T/F

answer

False

question

"What protocol below only provides the framework for authenticating clients and servers, but relies on other encryption and authentication schemes to verify the credentials of clients or servers?"

a">answer

EAP

question

What two different types of encryption can be used by IPsec during data transfer?

answer

Encapsulating Security Payload (ESP) Authentication Header (AH)

question

What cloud service model involves providing applications through an online user interface, providing for compatibility with a multitude o

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different operating systems and devices?

answer

SaaS

question

What protocol below is a Microsoft proprietary protocol first available in Windows Vista?

answer

SSTP

question

How often should administrators and network users be required to change their password?

answer

60 days

question

What two key lengths are the most popular for the SHA-2 hashing algorithm?

answer

256, 512

question

The MD5 hashing algorithm is not susceptible to the

possibility of hash collisions.

answer

False

question

What encryption protocol was designed as more of an integrity check for WEP transmissions rather than a sophisticated encryption protocol?

answer

TKIP

question

After L2TP establishing a VPN tunnel, GRE is used to transmit L2TP data frames through the tunnel.

answer

False

question

PPP can support several types of Network layer protocols that might use the connection.

answer

True

question

class="flashcard__q">A SecurID key chain fob from RSA security generates a password that changes how often?

answer

every 60 seconds

question

An enterprise-wide VPN can include elements of both the client-to-site and site-to-site models.

answer

True

question

Which type of cloud service model involves hardware services that are provided virtually, including network infrastructure devices such as virtual servers?

answer

IaaS

question

The key management phase of IPsec is reliant on which two services below?

answer

Internet Security Association and Key Management Protocol (ISAKMP), Internet Key Exchange (IKE)

question

What authentication protocol sends authentication information in cleartext without encryption?

answer

PAP

question

The PPP headers and trailers used to create a PPP frame that encapsulates Network layer packets vary between 8 and 10 bytes in size due to what field?

answer

FCS

question

Windows, UNIX, Linux, and Mac OS clients are all capable of connecting to a VPN using PPTP.

answer

True

question

Digital certificates are issued by organizations known as what term?

answer

certification authorities

question

The combination of a public key and a private key are known by what term below?

answer

key pair

question

Which of the following is NOT an encryption algorithm used by SSH?

answer

SHA-2

question

What two options below are AAA services?

answer

TACACS+ RADIUS

question

When using public and private keys to connect to an SSH server, where must your public key be placed before you can connect?

answer

In an

authorization file on the host where the SSH server is.

question

The original version of the Secure Hashing Algorithm (SHA) was developed by the NSA, and used a hash of what length?

answer

160 bit

question

What security encryption protocol requires regular re-establishment of a connection and can be used with any type of TCP/IP transmission?

answer

IPsec

question

What security principle provides proof of delivery and proof of the sender's identity?

answer

non-repudiation

question

At what layer of the OSI

model does the IPsec encryption protocol operate?

answer

Network layer

question

What two protocols below are Data Link Layer protocols designed to connect WAN endpoints in a direct connection, such as when a client computer connects to a server at an ISP using a dial-up or DSL connection and modem?

answer

SLIP, PPP

question

When using a site-to-site VPN, what type of device sits at the edge of the LAN and establishes the connection between sites?

answer

VPN gateway

question

PPP can support several types of Network layer protocols that might use the connection

answer

True

question

A service model in which hardware services are provided virtually, including network infrastructure devices such as virtual servers.

answer

IaaS Infrastructure as a Service

question

A service model in which applications are provided through an online user interface and are compatible with a multitude of devices and operating systems.

answer

SaaS Software as a Service

question

In the contest of IPsec, a type of encryption that provides authentication of the IP packet's data payload through public key techniques. In add, it also encrypts the entire IP packed for added security.

answer

ESP Encapsulating Security Payload

question

An authentication protocol that operates over PPP and also encrypts usernames and passwords for transmission.

answer

CHAP Challenge Handshake Authentication

question

One of two services in the key management phase of creating a secure IPsec connection. It negotiates the exchange of keys, including authentication of the keys. It uses UDP and usually runs on port 500

answer

IKE Internet Key Exchange

question

An encryption key generation and management scheme used by 802.11i

answer

TKIP Temporal Key Integrity Protocol

question

A service model in which various platforms are provide virtually, enabling developer s to build and test application within virtual, online environments tailored to the specific needs of a project.

answer

PaaS

question

In Kerberos terminology, the server that issues keys to clients during initial client authentication.

answer

KDC Key Distribution Center KDC

question

A Layer 2 communications protocol that enables a workstation to connect to a server using a serial connection such as dial-up or DSL. It can support multiple Network layer protocols and can encrypt transmissions.

answer

TKIP Temporal Key Integrity Protocol

question

In the context of IPsec, a type of encryption that provides authentication of the IP packet's data payload through public key techniques

answer

KDC (Key Distribution Center) KDC)

question

A _________________ is a service that is shared between multiple organizations, but not available publicly.

answer

Community Cloud

question

Describe how public key encryption works.?

answer

data is encrypted using two keys, one known to the user and the other is public key associated with the user

question

What protocol below is a Microsoft proprietary protocol first available in Windows Vista?

answer

SSTP

question

What are the three tenets of the CIA triad, and how do they provide assurances that data will be protected?

answer

Utility - data arrives in a format that is useful to the receiver Authenticity- data received is the data that was issued by the stated sender and not forged Non-repudiation- provides proof of delivery and proof of the sender's identity

question

The MD5 hashing algorithm is not susceptible to the possibility of hash collisions.? T/F

answer

False

question

Amazon and Rackspace both utilize what virtualization software below to create their cloud environments??

answer

Citrix Xen

question

When using public and private keys to connect to an SSH server, where must your public key be placed?

answer

?In the authorized keys file on the host where the SSH server is.

question

What security principle provides proof of delivery and proof of the sender's identity??

answer

non-repudiation

question

When PPP is used over an Ethernet network, it is known as ________________.?

answer

PPoE

question

Describe the TLS/SSL handshake process as initiated by a web client accessing ?a secure website.

answer

it allows the client and server to introduce themselves to each other and establishes terms for how they will securely exchange data.

question

The _________________ cloud service model provides virtual environments online

that can be tailored to the needs of developers.

answer

PAS Platform as a service

question

The PPP headers and trailers used to create a PPP frame that encapsulates Network layer packets vary between 8 and 10 bytes in size due to what field?

answer

FCS

question

The original version of the Secure Hashing Algorithm (SHA) was developed by the NSA, and used a hash of what length??

answer

160

question

What two key lengths are the most popular for the SHA-2 hashing algorithm??

answer

256 and 512

question

The combination of a public key and a private key are known by what term below

answer

Key Pair

question

PPP can support several types of Network layer protocols that might use the connection.? T/F

answer

True

question

?What protocol below only provides the framework for authenticating clients and servers, but relies on other encryption and authentication schemes to verify the credentials of clients or servers?

answer

EAP

question

The SSH service listens on what TCP port?

answer

question

What cloud service model involves providing applications through an online user interface, providing for compatibility with a multitude of different operating systems and devices?

answer

SaaS

question

What encryption protocol was designed as more of an integrity check for WEP transmissions rather than a sophisticated encryption protocol?

answer

TKIP

question

?What option below is not an encryption algorithm method that is used by SSH?

answer

SHA-2

question

At what layer of the OSI model does the IPSec encryption protocol operate??

answer

Network layer 4

question

answer

SLIP

question

The key management phase of IPSec is reliant on which two services below?

answer

Internet Security Association and Key Management Protocol (ISAKMP) ?Internet Key Exchange (IKE)

question

What security encryption protocol requires regular re-establishment of a connection and can be used with any type of TCP/IP transmission?

answer

IPSec

question

How is GRE used by the PPP protocol

answer

it encapuslates PPP frames them take on the temporary id of IP packets at layer 3

question

Describe the three way handshake process as used by CHAP

answer

the server sends the client a randomly generated string of characters. The client sends a new string inresponse to theserver while the server concatenates the users password with a challenge and created it own string.

question

An enterprise-wide VPN can include elements of both the client-to-site and site-to-site models. T?F

answer

True

question

class="flashcard__q">What two different types of encryption can be used by IPSec during data transfer?

answer

Authentication Header (AH) and Encapsulating Security Payload (ESP)

question

Windows, UNIX, Linux, and Mac OS clients are all capable of connecting to a VPN using PPTP. T/F

answer

True

question

In Kerberos, a temporary set of credentials that a client uses to prove that its identity has been validated is known as a _____________.

answer

Ticket

question

A variant of TLS is ___________________, which provides authentication like SSL/TLS, but does not require a certificate for each user.?

answer

Tunneled Transport Layer Security

question

Digital certificates are issued by organizations known as what term?

answer

Certification authorities

question

When using a site-to-site VPN, what type of device sits at the edge of the LAN and establishes the connection between sites?

answer

VPN gateway

question

What authentication protocol sends authentication information in cleartext without encryption?

answer

PAP

question

True

answer

PPP can support several types of Network layer protocols that might use the connection.?

question

60 days

answer

How often should administrators and network users be required to change their password?

question

TKIP

answer

What encryption protocol was designed as more of an integrity check for WEP transmissions rather than a sophisticated encryption protocol?

question

False

answer

The MD5 hashing algorithm is not susceptible to the possibility of hash collisions.

question

Network layer

answer

At what layer of the OSI model does the IPSec encryption protocol

operate?

question

smurf attack?

answer

What kind of attack involves a flood of broadcast ping messages, with the originating source address being spoofed to appear as a host on the network?

question

IRC

answer

Botnets often make use of what chat protocol in order to receive commands??

question

0.0.0.0?

answer

In ACL statements, the any keyword is equivalent to using what wildcard mask below?

question

True

answer

class="flashcard__a_text">A SOHO wireless router typically acts as a firewall and may include packet filtering options.

question

Natas

answer

Which virus below combines polymorphism and stealth techniques to create a very destructive virus?

question

Virtual Wire mode

answer

What mode setting on a firewall makes the firewall transparent to surrounding nodes as if it's just part of the wire??

question

banner-grabbing attack

answer

An attack in which hackers transmit bogus requests for connection to servers or applications in order to harvest useful information to guide their attack efforts is known as what option below??

question

amplification attack

answer

A reflective attack can be increased in intensity by combining it with what type of attack?

question

polymorphism

answer

What characteristic of viruses make it possible for a virus to potentially change its characteristics (such as file size, and internal instructions) to avoid detection?

question

Logic Bomb

answer

What type of virus are dormant until a specific condition is met, such as the changing of a file or a match of the current date??

question

metasploit

answer

Which software below combines known scanning techniques and exploits to allow for

hybrid exploits??

question

dynamic ARP inspection

answer

What feature on some network switches can be used to detect faked arp messages?

question

True

answer

Windows, UNIX, Linux, and Mac OS clients are all capable of connecting to a VPN using PPTP.

question

SSTP

answer

What protocol below is a Microsoft proprietary protocol first available in Windows Vista??

question

True

answer

PPP can support several types of Network

layer protocols that might use the connection.

question

160 bit

answer

The original version of the Secure Hashing Algorithm (SHA) was developed by the NSA, and used a hash of what length?

question

PaaS

answer

Which cloud computing service model gives software developers access to multiple operating systems for testing?

question

DirectAccess

answer

What service in Windows Server 2012 R2 authenticates remote users and computers to the Windows domain and its corporate network resources?

question

PPPoE

answer

Which remote access protocol is used over an Ethernet network?

question

IPsec

answer

Which encryption protocol does GRE use to increase the security of its transmissions?

question

L2TP

answer

Which tunneling protocol is accepted and used by multiple vendors?

question

Brute force attack

answer

A hacker runs a program that tries numerous character combinations until it stumbles on the correct combination and cracks the key. What offensive strategy is this program using?

class="q_and_img">question

128 bits

answer

What is the minimum acceptable key size for today's security standards?

question

Private key

answer

In public key encryption, which key is used to decrypt the message?

question

Port forwarding

answer

What feature must be configured on a router to redirect traffic from an insecure port to a secure one?

question

Access control

answer

Which of the following is NOT one of the three AAA services provided by RADIUS and TACACS+?

question

IaaS?

answer

Which type of cloud service model involves hardware services that are provided virtually, including network infrastructure devices such as virtual servers??

question

SaaS

answer

?What cloud service model involves providing applications through an online user interface, providing for compatibility with a multitude of different operating systems and devices?

question

SHA-2

answer

?What option below is not an encryption algorithm method that is used by SSH?

question

?22

answer

?What option below is not an encryption algorithm method that is used by SSH?

question

EAP

answer

?What protocol below only provides the framework for authenticating clients and servers, but relies on other encryption and authentication schemes to verify the credentials of clients or servers?

question

?In the authorized keys file on the host where the SSH server is.

answer

When using public and private keys to connect to an SSH server, where must your public key be placed??

question

?non-repudiation

answer

What security principle provides proof of delivery and proof of the sender's identity??

question

?certification authorities

answer

Digital certificates are issued by organizations known as what term??

question

?IPSec

answer

?What security encryption protocol requires regular re-establishment of a connection and can be used with any type of TCP/IP transmission?

question

?FCS

answer

The PPP headers and trailers used to create a PPP frame that encapsulates Network layer packets vary between 8 and 10 bytes in size due to what field??

question

?PAP

answer

What authentication protocol sends authentication information in cleartext without encryption??

question

TKIP

answer

What encryption protocol was designed as more of an integrity check for WEP transmissions rather than a sophisticated encryption protocol??

The two different types of encryption used in EAP are TLS and PEAP

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