CCTC Networking ACTUAL UPDATED
Exam Questions and CORRECT Answers
Ethertype for IPv4 - CORRECT ANSWER - 0x0800
Ethertype for IPv6 - CORRECT ANSWER - 0x86DD
Ethertype for ARP - CORRECT ANSWER - 0x0806
What is an attack that uses a web browser to victimize users visiting an infected site? -
CORRECT ANSWER - XSS
Is a switch capable of breaking up a collision domain? - CORRECT ANSWER - YES
What layer of the OSI model does PPP operate? - CORRECT ANSWER - Data Link
(Layer 2)
What linux tool is used to stop ssh traffic from a specific IP? - CORRECT ANSWER -
iptables
What are the layers of the OSI model? - CORRECT ANSWER - Application,
Presentation, Session, Transport, Network, Data Link, Physical
What protocol data unit operates at the physical layer? - CORRECT ANSWER - bits
What protocol data unit operates at the data layer? - CORRECT ANSWER - frames
What protocol data unit operates at the network layer? - CORRECT ANSWER - Packets
,What protocol data unit operates at the transport layer? - CORRECT ANSWER -
Segments/Datagrams
What protocol data unit operates at the session layer? - CORRECT ANSWER - data
What is the size of a standard ethernet frame in bytes? - CORRECT ANSWER - 1500
How many bytes is the cyclic redundancy check? - CORRECT ANSWER - 18
How many bytes are the preamble and frame delimiter (sfd)? - CORRECT ANSWER -8
How many bytes are in a VLAN tag? - CORRECT ANSWER -4
What is the minimum byte size of an ipv4 header? - CORRECT ANSWER - 20
What is the maximum byte size of an ipv4 header? - CORRECT ANSWER - 60
What is the standard TTL for windows systems? - CORRECT ANSWER - 128
What is the standard TTL for linux systems? - CORRECT ANSWER - 64
What is the standard TTL for cisco systems? - CORRECT ANSWER - 255
What is an APIPA? - CORRECT ANSWER - Automatic Private IP Addressing,
169.254.0.0 - 169.254.255.255
, What is SLAAC? - CORRECT ANSWER - Stateless Autoconfiguration, allows devices
attached to an IPV6 network to connect to the internet using the stateless auto configuration
without requiring intermediate IP support in the form of a DHCP server, RFC 4862
What is the Class A PRIVATE address range? - CORRECT ANSWER - 10.0.0.0-
10.255.255.255
What is the Class B PRIVATE address range? - CORRECT ANSWER - 172.16.0.0-
172.31.255.255
What is the Class C PRIVATE address range? - CORRECT ANSWER - 192.168.0.0-
192.168.255.255
What is the loopback address range? - CORRECT ANSWER - 127.0.0.0-127.255.255.255
What is the multicast address range? - CORRECT ANSWER - 224.0.0.0-239.255.255.255
What protocols operate at the transport layer? - CORRECT ANSWER - TCP and UDP
What is the TCP handshake? - CORRECT ANSWER - SYN - SYN/ACK - ACK -
Connection ESTABLISHED
Port 20 - CORRECT ANSWER - FTP Data
Port 21 - CORRECT ANSWER - FTP Control
Port 22 - CORRECT ANSWER - SSH
Port 23 - CORRECT ANSWER - Telnet
Exam Questions and CORRECT Answers
Ethertype for IPv4 - CORRECT ANSWER - 0x0800
Ethertype for IPv6 - CORRECT ANSWER - 0x86DD
Ethertype for ARP - CORRECT ANSWER - 0x0806
What is an attack that uses a web browser to victimize users visiting an infected site? -
CORRECT ANSWER - XSS
Is a switch capable of breaking up a collision domain? - CORRECT ANSWER - YES
What layer of the OSI model does PPP operate? - CORRECT ANSWER - Data Link
(Layer 2)
What linux tool is used to stop ssh traffic from a specific IP? - CORRECT ANSWER -
iptables
What are the layers of the OSI model? - CORRECT ANSWER - Application,
Presentation, Session, Transport, Network, Data Link, Physical
What protocol data unit operates at the physical layer? - CORRECT ANSWER - bits
What protocol data unit operates at the data layer? - CORRECT ANSWER - frames
What protocol data unit operates at the network layer? - CORRECT ANSWER - Packets
,What protocol data unit operates at the transport layer? - CORRECT ANSWER -
Segments/Datagrams
What protocol data unit operates at the session layer? - CORRECT ANSWER - data
What is the size of a standard ethernet frame in bytes? - CORRECT ANSWER - 1500
How many bytes is the cyclic redundancy check? - CORRECT ANSWER - 18
How many bytes are the preamble and frame delimiter (sfd)? - CORRECT ANSWER -8
How many bytes are in a VLAN tag? - CORRECT ANSWER -4
What is the minimum byte size of an ipv4 header? - CORRECT ANSWER - 20
What is the maximum byte size of an ipv4 header? - CORRECT ANSWER - 60
What is the standard TTL for windows systems? - CORRECT ANSWER - 128
What is the standard TTL for linux systems? - CORRECT ANSWER - 64
What is the standard TTL for cisco systems? - CORRECT ANSWER - 255
What is an APIPA? - CORRECT ANSWER - Automatic Private IP Addressing,
169.254.0.0 - 169.254.255.255
, What is SLAAC? - CORRECT ANSWER - Stateless Autoconfiguration, allows devices
attached to an IPV6 network to connect to the internet using the stateless auto configuration
without requiring intermediate IP support in the form of a DHCP server, RFC 4862
What is the Class A PRIVATE address range? - CORRECT ANSWER - 10.0.0.0-
10.255.255.255
What is the Class B PRIVATE address range? - CORRECT ANSWER - 172.16.0.0-
172.31.255.255
What is the Class C PRIVATE address range? - CORRECT ANSWER - 192.168.0.0-
192.168.255.255
What is the loopback address range? - CORRECT ANSWER - 127.0.0.0-127.255.255.255
What is the multicast address range? - CORRECT ANSWER - 224.0.0.0-239.255.255.255
What protocols operate at the transport layer? - CORRECT ANSWER - TCP and UDP
What is the TCP handshake? - CORRECT ANSWER - SYN - SYN/ACK - ACK -
Connection ESTABLISHED
Port 20 - CORRECT ANSWER - FTP Data
Port 21 - CORRECT ANSWER - FTP Control
Port 22 - CORRECT ANSWER - SSH
Port 23 - CORRECT ANSWER - Telnet
