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Latest and Most Accurate CompTIA N10-006 Dumps Exam Questions and Answers:
A system administrator wants to update a web-based application to the latest version. Which of the following procedures should the system administrator perform FIRST?
A. Remove all user accounts on the server
B. Isolate the server logically on the network
C. Block all HTTP traffic to the server
D. Install the software in a test environment
We should test the new version of the application in a test/lab environment first. This way any potential issues with thenew software would not affect the production environment.
Set up a test lab on an isolated network in your organization. Do not set up your test lab in your production environment.
Network segmentation provides which of the following benefits?
A. Security through isolation
B. Link aggregation
C. Packet flooding through all ports
D. High availability through redundancy
Network segmentation in computer networking is the act or profession of splitting a computer network into subnetworks, each being a network segment. Advantages of such splitting are primarily for boosting performance and improving security through isolation.
Advantages of network segmentation:
Improved security: Broadcasts will be contained to local network. Internal network structure will not be visible from outside
Reduced congestion: Improved performance is achieved because on a segmented network there are fewer hosts per subnetwork, thus minimizing local traffic
Containing network problems: Limiting the effect of local failures on other parts of network
Which of the following network devices use ACLs to prevent unauthorized access into company systems?
C. Content filter
D. Load balancer
A firewall is a system designed to prevent unauthorized access to or from a private network. Firewalls arefrequently used to prevent unauthorized Internet users from accessing privatenetworks connected to the Internet, especially intranets. Firewalls use ACLs (access control lists) to determine which traffic is allowed through the firewall. All traffic entering or leaving the intranet passes through the firewall, which examines each message and blocks or allows the message depending on rules specified in the ACL. The rules in the ACL specify which combinations of source IP address, destination address in IP port numbers are allowed.
Which of the following is used to define how much bandwidth can be used by various protocols on the network?
A. Traffic shaping
B. High availability
C. Load balancing
D. Fault tolerance
If a network connection becomes saturated to the point where there is a significant level of contention, network latency can rise substantially.
Traffic shaping is used to control the bandwidth used by network traffic. In a corporate environment, business-related traffic may be given priority over other traffic. Traffic can be prioritized based on the ports used by the application sending the traffic. Delayed traffic is stored in a buffer until the higher priority traffic has been sent.
Which of the following is used to authenticate remote workers who connect from offsite? (Select TWO).
B. VTP trunking
C. Virtual PBX
D: A RADIUS (Remote Authentication Dial-in User Service)server is a server with a database of user accounts and passwords used as a central authentication database for users requiring network access. RADIUS servers are commonly used by ISP’s to authenticate their customer’s Internet connections.
Remote users connect to one or more Remote Access Servers. The remote access servers then forward the authentication requests to the central RADIUS server.
E: 802.1X is an IEEE Standard for Port-based Network Access Control (PNAC). It provides an authentication mechanism to devices wishing to attach to a network.
802.1X authentication involves three parties: a supplicant, an authenticator, and an authentication server. The supplicant is a client that wishes to attach to the network. The authenticator is a network device,such as an Ethernet switch, wireless access point or in this case, a remote access server and the authentication server is the RADIUS server.
Which of the following provides accounting, authorization, and authentication via a centralized privileged database, as well as, challenge/response and password encryption?
A. Multifactor authentication
D. Network access control
TACACS+ (Terminal Access Controller Access-Control System Plus) is aprotocol that handles authentication, authorization, and accounting (AAA) services. Similar to RADIUS, TACACS+ is a centralized authentication solution used to provide access to network resources. TACACS+ separates the authentication, authorization, and accounting services enabling you to host each service on a separate server if required.
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