Network Services - CompTia objective 2.5 Flashcards
1
Q
What does a Web server do?
A
- Responds to browser requests
- Uses standard web browsing protocols such as HTML and HTML5
- Stores Web pages
2
Q
What does a File server do?
A
- It is a centralized storage of documents, spreadsheets, videos, pictures, and any other files
- Standard system of file management uses SMB( Server Message Block) , Apple filing protocol( AFP), etc
3
Q
What does a Print server do?
A
- Connects a printer to the network
- May be software on the computer itself which is in turn connected to the printer.
- Sometimes built into the printer itself.
Also uses standard printing protocols such as SMB, IPP( Internet Printing Protocol) and LPD( Line Printer Daemon)
4
Q
What is the DHCP server used for
A
DHCP or Dynamic Host Protocol
- Automatic IP address configuration( Most ISPs provide this as standard)
5
Q
What is a DNS server used for
A
DNS = Domain Name System
- Converts names to IP addresses and vice versa
- As the server is so important its data is often stored across multiple servers
- Usually managed by the ISP or IT department
6
Q
What is a Proxy Server?
A
- Acts as an intermediate server.
Client makes request for access to the proxy server, the proxy performs the actual request to other server such as web server and the results are provided by the proxy back to the client
7
Q
What does a Mail server do?
A
Stores your incoming email and sends your outgoing email
8
Q
What is an Authentication Server used for?
A
- Login authentication to resources
- Centralized management
- Almost always an enterprise service
- Usually a set of redundant servers( no data loss)
9
Q
What is SIEM?
A
- Security Information and Event Management
- Logging of security events and information
- Also used for security alerts
- logs and long term storage or reporting
- data correlation
10
Q
What is a Syslog used for?
A
- standard for message loggin - diverse systems, consolidated log
- Integrated into the SIEM and used as a central logging receiver
- Will require a lot of storage space( LOTS)
- Uses WORM Drive technology( Write Once Ready Many) e.g DVD- R
- Protects important security logs
11
Q
What is an IDS
A
- Network Based Intrusion Detection system used to detect intrusions onto a network
12
Q
What is a IPS?
A
- Intrusion Prevention System, used to prevent people intruding onto the network
13
Q
What are Network Intrusions?
A
- Exploits against OS, applications etc
- Buffer overflows, cross-site scripting etc
14
Q
What is a All-in-one security appliance?
A
- Next generation firewall, UTM( Unified Threat Management) / Web security gateway
- Has built in URL filter/ malware inspection, spam filter, CSU/DSU and can act as a router/switch
15
Q
What is an Endpoint Management Server used for?
A
- Manages all devices on a network simultaneously from one pane of glass
- Software installations, os updates, driver updates, security patches etc are all installed at once at the same time via the server
