Networking Fundamentals (CIS180) Quiz 7

What statement describes a transmission flaw that is occurring due to attenuation?

A customer modem is continuously losing signal due to large distance from the transmitting device.

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

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

False

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

False

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

False

Office 365 is an example of an SaaS implementation with a subscription model. (T/F)

True

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

ssh-keygen

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

public-key infrastructure

Upon connecting to a Wi-Fi network, you're redirected to a login screen and a request to accept terms of service before being connected. What is this an example of?

Captive portal

What is the minimum category of UTP cable required in order to support Gigabit speeds?

Cat 5e

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

Citrix Xen

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

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

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

IPsec

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.

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

Layer 2

Which of the following statements about fiber-optic cabling is accurate?

Light experiences virtually no resistance when traveling through glass.

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

NAT mode

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

OpenVPN

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

Point of presence (PoP)

What optional protocol can be used in 802.11 to reserve the medium for one node's use?

RTS/CTS (Request to Send/Clear to Send)

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

SDN controller

A community cloud is a service shared between multiple organizations, but not available publicly. (T/F)

True

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

True

In an 802.11 data frame, what is the maximum amount of data that can be sent?

2312 bytes

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.