Dion's Practice Tets

Attempt 1: 70%

A network diagram is a visual representation of network architecture. It maps out the structure of a network with a variety of different symbols and line connections. This information will be important when deploying a Storage Area Network (SAN) on the enterprise network.

In SNMPv3, the authPriv option ensures that the communications are sent with authentication and privacy. This uses MD5 and SHA for authentication and DES and AES for privacy and encryption.

The 802.11ac (Wireless AC or Wi-Fi 5) standard utilizes a 5 GHz frequency to provide wireless networking at theoretical speeds up to 3.5 Gbps.

Syslog Severity Levels

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Network Access Control is used to identify an endpoint's characteristics when conducting network authentication. The GPS location of the device will provide the longitude and latitude of the user, which could be compared against the GPS coordinates of the building.

NAC + GPS Location used together make sure users who log in to a network are physically in the same building as the network they are attempting to authenticate on.

An Analog Modem is MOST likely to use an RJ-11 connector to connect a computer to an ISP using a POTS line.

Split Domain Name System (Split DNS) is an implementation in which separate DNS servers are provided for security and privacy management for internal and external networks. This can provide a security and privacy management mechanism by logical or physical separation of DNS information for network-internal access and access from an insecure, public network like the Internet.

A system administrator wants to verify that external IP addresses cannot collect software versioning from servers on the network.

-Packet captures contain every packet that is sent and received by the network. By using a program like Wireshark to analyze the packet captures, you can see what kind of information and metadata is contained within the packets.

A physical network diagram is used to show the actual physical arrangement of the components that make up the network, including cables and hardware.

A physical network diagram would provide a drawing of the network cabling imposed over the floorplan for an office building.

Using an event management tool will allow the administrator to clear the event logs and move them from the server to a centralized database if needed. This will prevent the logs from filling up on the server without having to delete them permanently from the logging environment.

Which port must be allowed to enable communications through your firewall between the web application and your database server?

Microsoft SQL uses ports 1433, and is a proprietary relational database management system developed by Microsoft that is fully compatible with the structured query language (SQL).

The "show configuration" command is used on a Cisco networking device to display the device's current configuration. This would show whether or not the DHCP snooping was enabled on this device.

The recovery point objective (RPO) is the interval of time that might pass during a disruption before the quantity of data lost during that period exceeds the Business Continuity Plan’s maximum allowable threshold or tolerance.

If the switchport is configured for 802.1q trunking instead of as an access host port, the workstation will be unable to reach the DHCP server through the port and will fall back to using an APIPA address. APIPA is not configured on the VLAN’s switch, it is configured by default on client and server devices, such as the workstation in this scenario.

If the entry in the client file is pointing to the wrong IP, this could cause the connectivity issues described. Therefore, the system administrator should enter the "nbtstat -R" command to purge and reload the cached name table from the LMHOST file on their Windows workstation.

Your company wants to create highly available datacenters. Which of the following will allow the company to continue maintaining an Internet presence at all sites if the WAN connection at their own site goes down?

If a WAN link goes down, BGP will route data through another WAN link if redundant WAN links are available. Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange routing and reachability information between autonomous systems (AS) on the Internet

AAA through RADIUS uses a Server Secret Key (a shared secret key). A secret key mismatch could cause login problems. A shared secret is a text string that serves as a password between hosts.

A community cloud in computing is a collaborative effort in which infrastructure is shared between several organizations from a specific community with common concerns, whether managed internally or by a third party and hosted internally or externally.

The bottom layer is physical hardware in this environment. It is what sits beneath the hypervisor and controls access to guest operating systems.

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