CBT Broadcast Networking & IP Systems 2

Question 1

Which protocol is commonly used to manage multicast group membership in broadcast IP networks?

Accepted Answer

IGMP (Internet Group Management Protocol)

Answer

OSPF (Open Shortest Path First)

Answer

SNMP (Simple Network Management Protocol)

Answer

DHCP (Dynamic Host Configuration Protocol)

Question 2

In broadcast networking, what does the term 'hitless switching' refer to?

Accepted Answer

Seamlessly switching between redundant network paths with no perceptible interruption

Answer

Switching between video sources with no frame-rate change

Answer

Cutting audio without a pop or click

Answer

Transitioning from analog to digital signal without downtime

Question 3

What is the recommended minimum network bandwidth for transporting a single 1080i/59.94 uncompressed video stream per SMPTE ST 2110-20?

Accepted Answer

Approximately 3 Gbps

Answer

Approximately 1 Gbps

Answer

Approximately 100 Mbps

Answer

Approximately 10 Gbps

Question 4

What is the role of a grandmaster clock in a SMPTE ST 2110 broadcast facility?

Accepted Answer

It provides the master PTP reference that all other devices synchronize to

Answer

It sets the frame rate for all cameras on set

Answer

It controls the switching schedule for video routers

Answer

It manages IP address allocation across the network

Question 5

Which standard defines the Virtual Local Area Network (VLAN) tagging commonly used to segment traffic in broadcast IP networks?

Accepted Answer

IEEE 802.1Q

Answer

IEEE 802.3

Answer

IEEE 1588

Answer

SMPTE ST 2022

Question 6

SMPTE ST 2022-7 is used in broadcast IP networks primarily for what purpose?

Accepted Answer

Providing seamless protection switching for redundant RTP streams

Answer

Compressing MPEG-2 transport streams for IP delivery

Answer

Encrypting media streams with AES-128

Answer

Defining the audio sample rate for IP transport

Question 7

In a broadcast IP environment, what is the primary function of a Network Interface Card (NIC) with hardware timestamping support?

Accepted Answer

To generate accurate PTP timestamps for precise clock synchronization

Answer

To increase the NIC's data throughput capacity

Answer

To encrypt outgoing media streams at the hardware level

Answer

To compress video before it enters the network