TCP/IP Framework

TCP/IP Framework >> Network Security & Database Vulnerabilities

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TOTAL POINTS 17

1.What is meant by “stateless” packet inspection?

1 point

It is a packet-by-packet inspection with no awareness of previous packets.

It is the inspection of a packet’s source and destination IP addresses only.

It is the inspection of packets by non-state actors, such as private telecom companies.

It is the inspection of a packet’s service or protocols used only.

2.True or False: An Intrusion Detection System (IDS) is generally a passive device that listens to network traffic and alerts an administrator when a potential problem is detected?

1 point

True

False

3.True or False: The primary difference between an Intrusion Detection System (IDS) and an Intrusion Prevention System (IPS) is that an IDS is designed as a passive system that listens and alerts while an IPS is an active system that is designed to take action when a problem is detected?

1 point

True

False

4.Which intrusion system does not add any delay to network traffic?

1 point

Intrusion Detection System (IDS).

Intrusion Prevention System (IPS).

5.How does using Network Address Translation (NAT) provide an additional layer of security to your network?

1 point

By assigning a different false IP address to traffic leaving your network and translating it back to the real internal IP addresses on incoming traffic.

By requiring a certificate exchange to authenticate the source of external IP addresses before allowing them through the firewall.

By blocking traffic from known malware sites.

By hiding the real IP addresses of all the devices on your private network and exposing only a single public IP address.

6.Which type of NAT routing maps unregistered IP addresses to a single registered IP address allowing thousands of users to be connected to the Internet using only a single global IP address?

1 point

Dynamic

Static

Overload

Kinetic

7.Which network layer do MAC addresses belong to?

1 point

The Network Layer.

The Physical Layer.

The Data Link Layer.

The Application Layer.

8.Which address assures a packet is delivered to a computer on the same network segment as the sender?

1 point

The MAC address.

The DNS address.

The IP address.

The Gateway address.

9.A network device that cannot send and receive data at the same time is referred to as which of the following?

1 point

Monoplex

Full duplex

Half duplex

Unidirectional

10.When a NIC reads a packet header and sees the destination address is not its own address, what does it do with the packet?

1 point

It forwards the packet to the correct address if it is in the same network or the gateway if it is not.

It reads the contents of the packet.

It returns the packet to the sender with a delivery error message.

It discards the packet.

11.Comparing bridges with switches, which are three (3) characteristics specific to a switch?

1 point

Full-duplex transmission.

Virtual LANs are not possible.

End-user devices share bandwidth on each port.

Virtual LANs are possible.

Half-duplex transmission.

Each port is dedicated to a single device; bandwidth is not shared.

12.True or False: Switches can connect two geographically dispersed networks.

1 point

True

False

13.A network interface card’s MAC address is also known by which two (2) of the following ? (Select 2)

1 point

The IP address.

The logical address.

The burn address.

The physical address.

14.What is the main function of the Address Resolution Protocol (ARP)?

1 point

To translate a gateway address to an IP address and vice versa.

To translate a logical address to an IP address and vice versa.

To translate a MAC address to an IP address and vice versa.

To translate a physical address to an IP address and vice versa.

15.What does a router do when it needs to send a packet to an address that is not in its routing table?

1 point

It sends out a broadcast message looking for the correct system to reply with a confirmation message.

It forwards the packet to the default gateway.

It returns the packet to the sender to deal with.

It drops the packet as undeliverable.

16.What happens to messages sent from a computer that has no gateway address specified?

1 point

No messages will be delivered.

Messages sent to other computers on the same subnet and those destined to computers on other networks will be delivered.

Messages sent to other computers on the same subnet will not be delivered but those destined to computers on other networks will be delivered.

Messages sent to other computers on the same subnet will be delivered but those destined to computers on other networks will not be delivered.

17.Which three (3) are types of routes found in a routing table?

1 point

Dynamic

Local

Remote

Direct

Default

TCP/IP Framework >> Network Security & Database Vulnerabilities

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