ITN 101 Chapter 7

Which of the following is NOT a task that a VPN concentrator is responsible for?

A VPN concentrator shuts down established connections when malicious traffic occurs.

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?

FCS

A Type 2 hypervisor installs on a computer before any OS, and is therefore called a bare-metal hypervisor.

False

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

False

FTPS (FTP Security or FTP Secure) and SFTP (Secure FTP) are two names for the same protocol.

False

Which statement regarding the IKEv2 tunneling protocol is accurate?

IKEv2 offers fast throughput and good stability when moving between wireless hotspots.

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

IPsec

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

PaaS

In a software defined network, what is responsible for controlling the flow of data?

SDN Controller

The Virtual Network Computing (VNC) application uses the cross-platform remote frame buffer (RFB) protocol.

True

VMware Player and Linux KVM are both examples of what type of hypervisor?

Type 2 Hypervisor

What virtual, logically defined device operates at the Data Link layer to pass frames between nodes?

Virtual Switch

What is NOT a potential disadvantage of utilizing virtualization?

Virtualization software increases the complexity of backups, making creation of usable backups difficult.

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

Citrix Xen

What service in Windows Server 2016 authenticates remote users and computers to the Windows domain and its corporate network resources?

Direct Access

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

In an authorization file on the host where the SSH server is.

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

Key Pair

A vSwitch (virtual switch) or bridge is a logically defined device that operates at what layer of the OSI model?

Layer 2

With which network connection type does the VM obtain IP addressing information from its host?

NAT Mode

By default, what network connection type is selected when creating a VM in VMware, VirtualBox, or KVM?

NAT mode

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

Network Layer

What open-source VPN protocol utilizes OpenSSL for encryption and has the ability to possibly cross firewalls where IPsec might be blocked?

OpenVPN

Which of the following statements regarding the Point-to-Point (PPP) protocol is NOT accurate?

PPP can support strong encryption such as AH or ESP

Which remote access protocol is used over an Ethernet network?

PPPoE

Which remote file access protocol is an extension of SSH?

SFTP

What statement regarding the SSH (Secure Shell) collection of protocols is accurate?

SSH supports port forwarding.

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

SaaS

Which statement regarding the use of a bridged mode vNIC is accurate?

The vNIC will have its own IP address on the physical LAN.

A community cloud is a service shared between multiple organizations, but not available publicly.

True

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

True

Digital certificates are issued, maintained, and validated by an organization called a certificate authority (CA).

True

Office 365 is an example of an SaaS implementation with a subscription model.

True

When is it appropriate to utilize the NAT network connection type?

Whenever the VM does not need to be access at a known address by other network nodes.

What term is used to describe a space that is rented at a data center facility by a service provider?

point of presence (PoP)

The use of certificate authorities to associate public keys with certain users is known by what term?

public-key infrastructure

In order to generate a public and private key for use with SSH, what command line utility should you use?

ssh-keygen

Which file transfer protocol has no authentication or security for transferring files, uses UDP, and requires very little memory to use?

Trivial File Transfer Protocol (TFTP)

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

True

Regarding VNC (Virtual Network Computing or Virtual Network Connection), what statement is accurate?

VNC is open source, allowing companies to develop their own software based on VNC.

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

VPN Gateway

Which of the following virtualization products is an example of a bare-metal hypervisor?

Citrix XenServer

Which encryption benchmark ensures data is not modified after it's transmitted and before it's received?

Integrity

Why is the telnet utility a poor choice for remote access to a device?

It provides poor authentication and no encryption.

What type of scenario would be best served by using a Platform as a Service (PaaS) cloud model?

A group of developers needs access to multiple operating systems and the runtime libraries that the OS provides.

The HTTPS (HTTP Secure) protocol utilizes the same TCP port as HTTP, port 80.

False

What software allows you to define VMs and manage resource allocation and sharing among them on a host computer?

Hyper Visor

Which tunneling protocol is a component of the IPsec protocol suite?

IKEv2

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

IPsec

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

IaaS

What special enterprise VPN supported by Cisco devices creates VPN tunnels between branch locations as needed rather than requiring constant, static tunnels?

Dynamic Multipoint VPN