2.0 Technologies and Tools

Question 1

basic command-line tool used to test connectivity for remote systems

Answer 1

ping

Question 2

command-line tool to verify system can resolve valid host names to IP addresses, test the NIC and check security posture of a network

Answer 2

ping

Question 3

command-line tool to check security posture of network

Answer 3

ping

Question 4

command-line tool that shows the TCP/IP config information for a system (ip address, subnet mask, default gateway, mac address, dns)

Answer 4

ipconfig

Question 5

command-line tool that allows you to view statistics for TCP/IP protocols on a system

Answer 5

netstat

Question 6

command-line tool that allows you to view TCP/IP network connections

Answer 6

netstat

Question 7

lists routers between two systems

Answer 7

tracert

Question 8

command-line tool that identifies the IP address and sometimes the host name of each hop

Answer 8

tracert

Question 9

command-line tool to identify modified paths

Answer 9

tracert

Question 10

two command-line tools used to test DNS

Answer 10

nslookup and dig

Question 11

monitors traffic passing through the NIC and can prevent intrusions into the computer via the NIC

Answer 11

Host-based firewall

Question 12

allows access to services while segmenting access to the internal entwork

Answer 12

DMZ

Question 13

hides internal computers from the internet

Answer 13

Network Address Translation (NAT)

Question 14

mimics behavior of a router

Answer 14

layer 3 switch

Question 15

allows network administrators to create virtual local area networks (VLANs)

Answer 15

layer 3 switch

Question 16

sends email using TCP port 25

Answer 16

SMTP

Question 17

uses TCP Port 143

Answer 17

IMAP4

Question 18

prevent MAC flood attacks on switches

Answer 18

flood guards

Question 19

used to monitor and configure network devices

Answer 19

SNMPv3

Question 20

SNMP uses which ports? what protocol?

Answer 20

161 and 162. UDP

Question 21

identifies issues based on known attacks or vulnerabilities

Answer 21

signature-based detection

Question 22

allows users to access private networks via a public network

Answer 22

virtual private network (VPN)

Question 23

provides a centralized solution for collecting, analyzing, and managing data from multiple sources

Answer 23

security information and event management (SIEM)