Stuff I want to practice Daily

Question 1

shows the route the packets of data travels through the network and can help identify locations where network errors are occuring

Answer 1

Traceroute(Cisco)
tracert(windows)

Question 2

file protocol ports

Answer 2

File Protocols
FTP 20/21
TFTP 69
SFTP 22
SMB 445

Question 3

remote connection ports

Answer 3

Remote Connections
SSH 22
Telnet 23
RDP 3389

Question 4

email protocols

Answer 4

Email
SMTP 25
POPv3 110
IMAP 143
SMTPS 587 (TLS)
IMAPS 993 (SSL)
POP3S 995 (SSL)

Question 5

WEB protocols

Answer 5

Websites
HTTP 80
HTTPS 443

Question 6

SQL Protocols

Answer 6

SQL related
SQL Server 1433
SQLNet 1521
MySQL 3306

Question 7

Network Service Protocols

Answer 7

Network Services
DHCP 67/68
DNS 53
NTP 123
SNMP 161/162
LDAP 389
LDAPS 636
Syslog 514
SIP 5060/50611

Question 8

IP Protocol types

Answer 8

IP protocol types
Internet Control Message Protocol (ICMP)
TCP
UDP
Generic Routing Encapsulation (GRE)
Internet Protocol Security (IPSec)
AH
ESP

Question 9

wireless standards

Answer 9

Question 10

Cat Standards

Answer 10

Question 11

Fiber Standards

Answer 11

Question 12

searches for open ports

Answer 12

Port Scanners

Question 13

a step above SNMP and also looks at the conversations taking place on your network

Answer 13

Netflow analyzers

Question 14

linux/unix/macs version of ipconfig

Answer 14

ifconfig

Question 15

uses a broadcast to find the ip address associated with a MAC address

Answer 15

ARP(Addresss Resolution Protocol)

Question 16

which level of the OSI model uses MAC addresses to identify other computers on the network
-physical
-data link
-network
-transport

Answer 16

data link:

Question 17

data encapsulation process

Answer 17

Data, segment, packet, frames, bits

Question 18

ip is on which layer of the osi model

Answer 18

network

Question 19

tcp is located on which layer

Answer 19

transport

Question 21

which layer of the osi model adds a footer and a header

Answer 21

data link

Question 22

allows or denies packets into the network based on the source and destination IP address or the traffic type (TCP, UDP, ICMP, etc.)

Answer 22

A stateless packet inspection firewall

Question 23

monitors the active sessions and connections on a network. The process of stateful inspection determines which network packets should be allowed through the firewall by utilizing the information it gathered regarding active connections as well as the existing ACL rules.

Answer 23

A stateful packet inspection firewall

Question 24

is a cross-platform, open-source tool used to scan IP addresses and ports on a target network, and to detect running services, applications, or operating systems on that network’s clients, servers, and devices

Answer 24

Nmap, or Network Mapper,

Question 25

is one element of an IEEE specification (802.3ad) that provides guidance on the practice of link aggregation for data connections

Answer 25

Link Aggregation Control Protocol or LACP

Question 26

The Spanning Tree Protocol (STP) is a network protocol that builds a loop-free logical topology for Ethernet networks to prevent bridge loops and the broadcast storms that results from them

Answer 26

STP is defined in the IEEE 802.1d standard

Question 27

Power over Ethernet (POE) is a technology that lets network cables carry electrical power

Answer 27

802.3af

Question 28

actual measure of how much data is successfully transferred from the source to a destination

Answer 28

Throughput

Question 29

the maximum rate of data transfer across a given network

Answer 29

Bandwidth

Question 30

four layers of the tcp/ip

Answer 30

layer 4 - app
layer 3 transport
layer 2 internet
layer 1 network interface layer (link layer)

Question 31

icmp osi layer

Answer 31

network

Question 32

AP’s can perform filtering at which layers of the osi?

Answer 32

2,3,4

Question 33

a packet filtering firewall performs at which layers of the osi

Answer 33

network and data link

Question 34

is a network layer protocol used to obtain an IP address for a known MAC (Media Access Control) address.

Answer 34

RARP (Reverse Address Resolution Protocol)