NET + N10 – 008 Test Prep With Correct
Questions And Answers
What does Kerberos prove? - Identity to various services.
What is a denial-of-service (DoS) attack? - Flooding a target system
with spam requests or exploiting vulnerabilities to render it
unresponsive.
What is a distributed denial-of-service (DDoS) attack? -
Overwhelming a target system by having many infected computers
send traffic.
What is a Smurf attack? - Flooding a subnet with ping replies by
sending ICMP traffic.
What is an FTP bounce attack? - Exploiting the PORT command to
gain unauthorized access to an FTP server.
What are zombies in the context of DDoS attacks? - Infected
computers used to send traffic to a target system.
What is the byte allocation for Class A networks? - 8 bits for
network, 24 bits for host
What is the byte allocation for Class B networks? - 16 bits for
network, 16 bits for host
What is the byte allocation for Class C networks? - 23 bits for
network, 8 bits for host
Do Host.Host.Host.Host addresses exist? - No, they do not exist
What is Public Key Infrastructure (PKI)? - Validates user's public
key via chain of trust.
What is Microsoft Challenge Handshake Authentication Protocol (MSCHAP)? - Authentication protocol used in PPTP-based VPNs.
What is Kerberos? - Authentication system that issues tickets to
authorized users.
What is 802.11X? - Authentication system that uses RADIUS or
TACACS+ servers.
What does PKI enable? - Exchange encrypted messages and
create/validate digital signatures.
What does the data link layer do? - It uses MAC addresses to route
traffic
What are switches designed to do? - Switches are designed to
translate IP addresses to MAC addresses and route traffic to the
various devices on a subnet or outside of the subnet.
What are the three common Layer 3 switching techniques? - Packet
switching, circuit switching and message switching.
Which of the following Wide Area Network (WAN) types is a T3
connection an example of? - Leased Line
Which of the following Wide Area Network (WAN) types are T1 and T3
connections? - Leased line networks examples.
Which of the following Wide Area Network (WAN) types is Frame
Relay? - Packet switched network.
Which of the following Wide Area Network (WAN) types is ISDN? -
Circuit switched network.
Which of the following Wide Area Network (WAN) types is ATM? - Cell
switched network.
What is ipconfig? - Windows command for network information.
What does ipconfig provide? - Information about NICs, IP and MAC
addresses, DHCP leases.
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