NAT types, DHCP, DNS, NTP, SNMP, syslog, QoS markings and SSH basics.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- What does NAT stand for?
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Network Address Translation- Describe static NAT.
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One-to-one permanent mapping of a private IP address to a public IP address- Describe dynamic NAT.
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Maps multiple private IP addresses to a pool of available public IP addresses on demand- What is PAT (Port Address Translation)?
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Uses one public IP address and multiple port numbers to map many private IPs to one public IP- What is the inside local address in NAT?
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The private IP address of a host on the internal network- What is the inside global address in NAT?
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The public IP address assigned to represent an internal host on the public network- What is the outside local address in NAT?
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The private IP address of an external device as perceived by the internal network- What is the outside global address in NAT?
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The actual public IP address of an external device on the internet- Why is NAT useful in networks?
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Conserves public IP addresses by allowing multiple private hosts to share one or few public addresses- Name one common problem caused by NAT.
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Port conflicts, protocol incompatibilities, or issues with IPsec tunneling and peer-to-peer applications- What does DHCP stand for?
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Dynamic Host Configuration Protocol- Which UDP ports does DHCP use?
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UDP port 67 for the server, UDP port 68 for the client- What is a DHCP Discover message?
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A broadcast message sent by a client to locate available DHCP servers- What is a DHCP Offer message?
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A unicast reply from a DHCP server containing an available IP address and lease terms- What is a DHCP Request message?
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A message from a client accepting an IP address offer from a DHCP server
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