Podcast
Questions and Answers
What is the main advantage of Voice over frame relay (VoFR) according to the summary?
What is the main advantage of Voice over frame relay (VoFR) according to the summary?
- Low cost of long-distance communication (correct)
- Improved fault tolerance
- High-speed data transfer
- Enhanced security features
Which technology offers speeds up to 40 Gbps, as mentioned in the text?
Which technology offers speeds up to 40 Gbps, as mentioned in the text?
- ISDN
- SONET
- SMDS
- ATM (correct)
What distinguishes DSL downstream speed from upstream speed based on the provided information?
What distinguishes DSL downstream speed from upstream speed based on the provided information?
- Upstream speed is not affected by DSL technology
- Both downstream and upstream speeds are the same
- Downstream speed is slower than upstream speed
- Downstream speed is greater than upstream speed (correct)
Which WAN technology employs high-speed bus bandwidth up to 155 Mbps?
Which WAN technology employs high-speed bus bandwidth up to 155 Mbps?
What is the transmission speed reached by X.25 protocol based on packet switching?
What is the transmission speed reached by X.25 protocol based on packet switching?
What does SONET offer as a fiber-optic solution according to the information provided?
What does SONET offer as a fiber-optic solution according to the information provided?
Which technology is DSL a strong competitor to?
Which technology is DSL a strong competitor to?
What is the main transport method for SONET?
What is the main transport method for SONET?
Which SONET transmission speed is designated by the code OC-48?
Which SONET transmission speed is designated by the code OC-48?
In SONET, what does the Layer 2 (Section Layer) primarily do?
In SONET, what does the Layer 2 (Section Layer) primarily do?
What network architecture uses a dual-ring topology for redundancy?
What network architecture uses a dual-ring topology for redundancy?
Which technology is a high-speed alternative to SONET and frame relay?
Which technology is a high-speed alternative to SONET and frame relay?
What type of cable connections can Ethernet backbone networks consist of?
What type of cable connections can Ethernet backbone networks consist of?
'Bidirectional line switching' in SONET offers what percentage of redundancy?
'Bidirectional line switching' in SONET offers what percentage of redundancy?
Which layer in the SONET model corresponds to the OSI model's Physical layer?
Which layer in the SONET model corresponds to the OSI model's Physical layer?
What does SDH stand for?
What does SDH stand for?
What is one of the reasons for the popularity of X.25 networks?
What is one of the reasons for the popularity of X.25 networks?
How does Frame Relay differ from X.25 networks?
How does Frame Relay differ from X.25 networks?
Which technology is NOT mentioned as a replacement for X.25 networks?
Which technology is NOT mentioned as a replacement for X.25 networks?
What is a characteristic of Voice over Frame Relay (VoFR)?
What is a characteristic of Voice over Frame Relay (VoFR)?
What type of connection does Committed Information Rate (CIR) offer?
What type of connection does Committed Information Rate (CIR) offer?
Which service is NOT offered by frame relay service providers?
Which service is NOT offered by frame relay service providers?
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