Tim’s day to day responsibilities include monitoring health of devices on the network. He uses a Network
Monitoring System supporting SNMP to monitor the devices for any anomalies or high traffic passing through
the interfaces.
Which of the protocols would be BEST to use if some of the requirements are to prevent easy disclosure of the
SNMP strings and authentication of the source of the packets?

What is the proper term to refer to a single unit of IP data?

The IP header contains a protocol field. If this field contains the value of 2, what type of data is contained within
the IP datagram?

The IP header contains a protocol field. If this field contains the value of 1, what type of data is contained within
the IP datagram?

What is a limitation of TCP Wrappers?

ICMP and IGMP belong to which layer of the OSI model?

How do you distinguish between a bridge and a router?

When referring to the data structures of a packet, the term Protocol Data Unit (PDU) is used, what is the proper
term to refer to a single unit of TCP data at the transport layer?

Which of the following type of traffic can easily be filtered with a stateful packet filter by enforcing the context or
state of the request?

Physical security is accomplished through proper facility construction, fire and water protection, anti-theft
mechanisms, intrusion detection systems, and security procedures that are adhered to and enforced. Which of
the following is NOT a component that achieves this type of security?