Ch.7 Network+ Test
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
PPP can support several types of Network layer protocols that might use the connection.
true
The Virtual Network Computing (VNC) application uses the cross-platform remote frame buffer (RFB) protocol.
true
Which of the following virtualization products is an example of a bare-metal hypervisor?
Citrix XenServer
What is the network ID of 150.100.100.100 /24?
150.100.100.0
What is the broadcast for subnet that 150.5.5.5 /24 is on?
150.5.5.255
What is the first usable host on the network that includes the host 175.10.0.0 /16?
175.10.1.0
What is the default subnet mask for a Class B network?
255.255.0.0
Which of the following could be the subnet mask of a subnetted Class B network? (Choose 2)
255.255.240.0 255.255.255.0
How many subnets are created with when a Class B network is given a /24 prefix?
256
Which of the following is NOT a task that a VPN concentrator is responsible for?
A VPN concentrator shuts down established connections with malicious traffic occurs.
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.
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
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 type of cloud service model involves hardware services that are provided virtually, including network infrastructure devices such as virtual servers?
IaaS
Why is the telnet utility a poor choice for remote access to a device?
It provides poor authentication and no encryption.
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?
Open VPN
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.
In a software defined network, what is responsible for controlling the flow of data?
SDN controller
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.
Which file transfer protocol has no authentication or security for transferring files, uses UDP, and requires very little memory to use?
Trivial FTP (TFTP)
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
When is it appropriate to utilize the NAT network connection type?
Whenever the VM does not need to be accessed at a known address by other network nodes.
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
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
At what layer of the OSI model does the IPsec encryption protocol operate?
network layer
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
The HTTPS (HTTP Secure) protocol utilizes the same TCP port as HTTP, port 80.
false