Very Important Tips for the Interview of Network Engineer or Network Technician

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Tips for the Interview of Network Engineer or Network Technician

NC Universal Naming Convention
\\servername\shared name (It is used to access the shared folder)
MAC
Media Access Control
PDC
Primary Domain Controllers
BDC
Backup Domain Controllers
SMP
Symmetric Multi Processors
AMP
Asymmetric Multi Processing
EFS
Encrypted File System
FAT
File Allocation Table
HCL
Hardware Compatibility List
IIS
Internet Information Service
LSA
Local Security Authority
MMC
Microsoft Management Console
OU
Organizational Unit
RAS
Remote Access Service
RDP
Remote Desktop Protocol (used for Terminal Services)
RRAS
Routing and Remote Access Service
SID
Security Identifier
WINS
Windows Internet Name Service
GUID
Globally Unique identifier
IAS
Internet Authentication Service
UPN
User Principle Name (Username@domainname.com)
BIOS
Basic Input Output System
Net BIOS
Network Basic Input/Output System
ARP
Address Resolution Protocol
DVD
Digital Video Disk
GPO
Group Policy Object (LGPO Local Group Policy Object)
IPsec
Internet Protocol Security
ISP
Internet Service Provider
NAT
Network Address Translation
MBT
Master Boot Record
USB
Universal Serial Bus
POST
Power On Self Test
SCSI
Small Computer System Interface
SMTP
Simple Mail Transfer Protocol
URL
Uniform Resource Locator
RAID
Redundant Array of Independent Disk
IDE
Intelligent drive Electronics or Integrated Drive Electronics
FQDN
Fully Qualified Domain Name (full computer name)
[computername.domainname.com]
OSPF
Open Shortest Path First (these two are routing protocols)
RIP
Routing Information Protocol
POP3
Post Office Protocol (used to receive the mails)
SMTP
Simple Mail Transfer Protocol (Used to send the mails)
SMPS
Switch Mode Power Supply
PING
Packet Internet Groper

VNC
Virtual Network Computing
EULA
End User License Agreement
CAL
Client Access License
TSCAL
Terminal Services Client Access License
UPS
Uninterruptible Power Supply
BIND
Berkeley Internet Name Domain
PXE
Pre boot eXecutable Environment
UDF
Uniqueness Database file
LDAP
Light weight Directory Access Protocol
ISDN
Integrated Services Digital Network
VLSM
Variable Length Subnet Mask
CIDR
Classless Inter Domain Routing
IGMP
Internet Group Management Protocol
FSMO
Flexible Single Master Operations
APIPA
Automatic IP addressing
NetBEUI
Net Bios Enhanced User Interface
UDP
User Datagram Protocol
FTP
File Transfer Protocol
Mbps
Mega bits per second
Ntds.dit
Nt
directory services.directory information tree.
ICMP
Internet Control message Protocol
IGMP
Internet group Management Protocol
NNTP
Network News Transfer Protocol
RADIUS
Remote Authentication Dial In User service
SNMP
Simple Network Management protocol
VPN
Virtual Private Network
L2TP
Layer2 Tunneling Protocol
PPTP
Point to Point Tunneling Protocol
ADSI
Active Directory Service Interfaces
SUS
Software Update Service
SMS
System Management Service
WUS
Windows Update service


List of important port numbers
15  Netstat
21  FTP
23  Telnet
25  SMTP
42  WINS
53  DNS
67  Bootp
68  DHCP
80  HTTP
88  Kerberos
101  HOSTNAME
110  POP3
119  NNTP
123  NTP (Network time protocol)
139  NetBIOS
161  SNMP
180  RIS
389  LDAP (Lightweight Directory Access Protocol)
443  HTTPS (HTTP over SSL/TLS)
520  RIP
79  FINGER
37  Time
3389  Terminal services
443  SSL (https) (http protocol over TLS/SSL)
220  IMAP3
3268  AD Global Catalog
3269  AD Global Catalog over SSL
500  Internet Key Exchange, IKE (IPSec) (UDP 500)

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