Which of the following provide transport security by using encryption, data integrity and data authentication?

Stateful firewalls do not remember the previous traffic that has occurred earlier in the session

Most common trunk signal type used by E&M signaling?

Range of the frequency of a telephone channel?

Components of local loop signaling?

One of the most important things common in all IP phones?

Which QoS technique can be used to ensure consistent delivery and throughput of voice packets?

Three main steps required in the analog-to-digital conversion process?

Which are ITU standards for voice compression?

Which device is used to physically connect all network devices like PCs, IP phones etc. to the LAN?

Which are examples of CCS?