OSI 400

Which of the following are common makes of hardware firewall ACL's?

HTTP and HTTPS utilize the same port

How does the Transport Layer keep track of applications?

How many bytes of overhead does UDP utilize?

Firewalls can be physical devices or software

What part of an IPv4 header is used if packets are fragmented, to reconstruct the packet?

Which part of an IPv4 header is provision for additional fields that is rarely used?

What part of the IPv4 header enables a QoS mechanism to be applied to high priority packets?

What part of an IPv4 header is an 8-bit field indicating the remaining 'life' of the packet?

Which part of an IPv4 header is a 32-bit value containing the logical address of the source device?

Which Layer 4 protocol is also known as the connectionless protocol?

What part of the IPv4 header give the entire packet size, including header and data, in bytes?

How many total ports can be used?

Which section of the firewall log contains compiled data about the dropped packet?

What does a segment or datagram contain?

Which part of an IPv4 header is used for error checking the packet header?

What provides rules and formats that govern how data is treated?

SSH utilizes which of the following ports?

What part of an IPv4 header is used to identify key information of fragmented packets?

Which section of the firewall log contains static, descriptive information about the version of the log?

Which of the following network devices is a network security system?

What part of an IPv4 header indicates the type of payload being carried by the packet?

FTP utilizes which Layer 4 port?

Which of the following are common log details?

Which primary Layer 4 protocol uses connection-orientated session and three way handshakes?

Which TCP flag is sent to terminate the session with the server?

Which part of an IPv4 header is only used if options are used and still have room left over?

What part of the IPv4 header specifies the length of the packet header only?

How many bytes of overhead per segment does TCP provide?

Which of the following are types of messages that are sent between source and destination devices?

What CLI utility is used for name resolution?

What contains the socket address?

Between TCP and UDP which is less reliable?

What part of the IPv4 header is primarily used for uniquely identifying fragments of an original IP packet?

What CLI tool allows you to see active connections on the host?

What is a type of hardware device or software application that allows you to protect your network?

Which port does DHCP utilize?

What protocol was created to resolve domain names to IP addresses?

Which applications benefit from UDP's lack of overhead?

Which of the following are some common security protocols?

TFTP utilizes which Layer 4 port?

Which of the following are TCP flags?

Which ports are defined as "Private or Dynamic Ports"

Which port does DNS utilize on Layer 4?

Which port does HTTP utilize?

PDU for Layer 4

Which part of an IPv4 header is a 32-bit value containing the logical address of the destination device?

Static packet filtering (SPF) controls access to network based on packet source and destination IPs

Which of the following are examples of protocol services?

What Layer 4 tool allows admins to identify vulnerabilities that need to be shored up by showing open/listening ports?

Which port range is defined as the "Well Known Ports"

Which of the following are examples of Software Based Protocol Analyzers?

TFTP is a simple version of FTP

What is the main focus of Layer 4 of the OSI model?

You need administrative credentials to configure logs for packets dropped by software firewalls

Stateful Packet Inspection (SPI) provides which of the following services?

Which ports are defined as "Registered Ports"

Which type of protocol is primarily designed to prevent any unauthorized access to network data?

Applications can use both TCP and UDP

What is an application type that runs in the system background?

POP3 utilizes which Layer 4 port?

Between TCP and UDP; which is the most reliable in terms of data recieved?

What is a function that allows TCP connections to be sent as though they are UDP packets?

SMTP utilizes which port?

IMAP4 utilizes which Layer 4 port?

POP3, IMAP4, and SMTP are all Email Services

Software Based Protocol Analyzers capture and analyze network traffic