Interactive quiz

Networks and protocols

Each attempt draws 15 questions from a bank of 100 questions about networks and protocols.

15 randomly selected questions Pass mark: 60%

Instructions

Answer all 15 questions and submit the form: each correct answer is worth one point.

Why do many real-time applications choose UDP?

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Which UDP ports does SNMP normally use for requests and trap notifications?

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Which UDP ports does DHCPv4 use for the server and client?

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How many bits does an IPv4 address contain?

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What is the broadcast address of the subnet containing 192.168.10.70/26?

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In a switched Ethernet network, what does each switch port normally represent?

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What distinguishes a dynamic route from a static route?

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What is the default TCP port for HTTPS?

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What is the default TCP port for IMAP over TLS, known as IMAPS?

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What is the Ethernet broadcast MAC address?

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What is a DNS CNAME record used for?

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An IPv4 host must send a packet to a destination outside its subnet. Which MAC address does it normally look up with ARP?

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In traditional use, how many usable host addresses does an IPv4 /30 subnet provide?

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Which TCP field is used for receiver flow control?

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Several nearby Wi-Fi networks interfere with each other. What is a sensible first countermeasure?

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Have you completed the questions?

Submit your 15 answers to receive your score and review.