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Network Services
Midterm
| Question | Answer |
|---|---|
| What are three elements of network management? | Security, Performance and Reliability - Slide 6 |
| What is the difference between a Manager and an Agent? | An agent is narrowly focused on a single device. A manager polls multiple agents and can react to several agents - Slide 10 |
| What is an MIB? | Management Information Database |
| What are management Proxies? | An entity that provides management information behalf of other entities. |
| What is SNMP? | Simple Network Message Protocol - Slide 14 |
| Why would you do a network audit? | To define what is normal for the network - Slide 4 |
| What is a baseline? | Baseline describes the normal status on the network and provides a reference point. - Slides 5 and 16 |
| Five types of audits: | Inventory Audit, Facility Audit, Operational Audit, Efficiency Audit and Security Audit. |
| Inventory Audit: | Enumerates networking equipment, should be done on site and before network devices are operational |
| Facility Audit: | Tracks which network devices are placed where. Should be done in conjunction with an Inventory Audit. |
| Operation Audit: | Accounts for daily network operations including overall utilization, collisions and other mistakes. Requires the creation of a baseline. |
| Efficiency Audit: | Evaluates the network media, costs and people using the network. Index cost over time. |
| Security Audit: | Ongoing, determines best-defense/business continuity/backsups/virus scanning, backups, disaster recovery, passwords, etc. |
| What is an EMI? | ElectroMagnetic Interference |
| What is RFI? | Radio Frequency Interference |
| What is SOAP? | Simple Object Access Protocol |
| What is NFS? | Network File System |
| What is a RFC? | Request For Comments |
| What is CIFS? | Common Internet File System |
| What is SMB the same as? | NTFS |
| What does SMB stand for? | Server Message Block |
| What is SAMBA? | UNIX applications that speak SMB protocol |
| What is SMBD? | Server Message Block Daemon |
| What is NMBD? | NetBIOS Message Block Daemon |
| What is SFU? | Services For Unix |
| What does SAN stand for? | Storage Area Network |
| What does NAS stand for? | Network Attached Storage |
| What does DAS stand for? | Direct Attached Storage |
| What does SCSI stand for? | Small Computer System Interface |
| What is a Fibre Channel? | The same as Fiber Optic Cables, transmitting data between devices at 1 GBps. |
| What is an iSCSI? | Technology that allows data to be transported to and from storage devices over an IP network. |
| What is the difference between PostScript and PCL? | Postscript is the de facto print standard in the UNIX community. |
| What is a WinPrinter? | A printer where the vendor only provides Windows Drivers. |
| What is CUPS? | Common Unix Printing System |
| What is Raster Graphics? | Graphics produced by grouping pixels |
| What is Vector Graphics? | Images produced by using mathematically generated points, lines and shapes. |
| What does BIND stand for? | Berkely Internet Name Domain. |
| What is a purpose of using a PROXY server? | An intermediate that sits between an application and a real server. |
| What is a FIREWALL? | System designed to prevent unauthorized access to or from a private network. |
| Name three techniques used by firewalls. | Packet filter, Application gateway, stateful inspection. |
| What is IP spoofing? | technique used to gain unauthorized access to computers with an IP address indicating that the message is coming from a trusted host. |
| What does DMZ stand for? | De-Militarized Zone |
| What is a gateway? | combination of hardware and software that links two different types of networks. |
| What is an Extranet? | Business to business intranet that allows limited, controlled, secure ascess between a company's intranet and designated, authenticated users from a remote locations. |
| What is XML? | Extensible Markup Language |
| What is LDAP? | Lightweight Directory Access Protocl |
| What is ADSL? | Asymmetric Digital Subscriber Line |
| What is IMAP? | Internet Message Access Protocol |
| Difference between Unicode and ASCII? | Unicode represents characters as integers where ASCII uses 7 bits to represent all 127 characters. |
| What is MIME? | Multipurpose Internet Mail Extensions |
| What is SMTP? | Simple Mail Transfer Protocol |
| What is an MTA? | Mail Transfer Agent |
| Name two examples of MTA's | Sendmail/Postfix, Exchange |
| What are two examples of a MUA | Outlook and Thunderbird |
Created by:
Johnathon773
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