Technologies and Protocols Quiz

How do cybercriminals make use of a malicious iFrame?

• The iFrame allows the browser to load a web page from another source.

• The attacker embeds malicious content in business appropriate files.

• The attacker redirects traffic to an incorrect DNS server.

• The iFrame allows multiple DNS subdomains to be used.

In which way does the use of HTTPS increase the security monitoring challenges within enterprise networks?

• HTTPS traffic is much faster than HTTP traffic.

• HTTPS traffic enables end-to-end encryption.

• HTTPS traffic does not require authentication.

• HTTPS traffic can carry a much larger data payload than HTTP can carry.

Which network service synchronizes the time across all devices on the network?

• NTP

• SNMP

• NetFlow

• syslog

Which type of server daemon accepts messages sent by network devices to create a collection of log entries?

• SSH

• NTP

• syslog

• AAA

What port number would be used if a threat actor was using NTP to direct DDoS attacks?

• 25

• 69

• 123

• 443

Which protocol is used to send e-mail messages between two servers that are in different e-mail domains?

• HTTP

• POP3

• SMTP

• IMAP4

What type of server can threat actors use DNS to communicate with?

• CnC

• database

• NTP

• web

Which type of server would support the SMTP, POP, and IMAP protocols?

• DHCP

• email

• proxy

• syslog

What method allows VPN traffic to remain confidential?

• authentication

• encryption

• verification

• encapsulation

To facilitate the troubleshooting process, which inbound ICMP message should be permitted on an outside interface?

• echo request

• echo reply

• time-stamp request

• time-stamp reply

• router advertisement