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1251
Level 2 · Foundational Subnetting Unanswered

For a cloud migration threat model, why is understanding "/30 IPv4 prefix" technically important?

View answer choices
  1. A subnet with 256 usable hosts.
  2. A prefix used only for multicast.
  3. A subnet with 30 usable hosts.
  4. A small traditional subnet with four total addresses and two usable host addresses.
Practice →
1252
Level 2 · Foundational Subnetting Unanswered

For a cloud migration threat model, why is understanding "network address" technically important?

View answer choices
  1. The address with all host bits set to one.
  2. A switch’s burned-in MAC address.
  3. The address representing an IPv4 subnet, with all host bits set to zero.
  4. The last usable client address only.
Practice →
1253
Level 2 · Foundational Subnetting Unanswered

For a cloud migration threat model, why is understanding "broadcast address" technically important?

View answer choices
  1. The MAC address of a router interface.
  2. The IPv4 subnet address with all host bits set to one.
  3. The first address with all host bits zero.
  4. An IPv6 unicast address.
Practice →
1254
Level 2 · Foundational Switching Unanswered

For a cloud migration threat model, why is understanding "VLAN" technically important?

View answer choices
  1. An Internet-wide routing table.
  2. A physical cable category.
  3. A logical Layer 2 broadcast domain configured on switches.
  4. A replacement for IP addressing.
Practice →
1255
Level 2 · Foundational Switching Unanswered

For a cloud migration threat model, why is understanding "access port" technically important?

View answer choices
  1. A port that must carry every VLAN with tags.
  2. A DNS transport port.
  3. A routed interface with no Layer 2 function.
  4. A switch port that normally carries traffic for one VLAN to an endpoint.
Practice →
1256
Level 2 · Foundational Switching Unanswered

For a cloud migration threat model, why is understanding "802.1Q trunk" technically important?

View answer choices
  1. A link that carries traffic for multiple VLANs using VLAN tags.
  2. A method for encrypting DNS.
  3. A wireless frequency channel.
  4. A link that carries exactly one untagged endpoint VLAN only.
Practice →
1257
Level 2 · Foundational Ethernet Unanswered

For a cloud migration threat model, why is understanding "collision domain" technically important?

View answer choices
  1. All networks sharing the same DNS suffix.
  2. A network segment in which simultaneous Ethernet transmissions could collide.
  3. A group of encrypted VPN users.
  4. Every router in one autonomous system.
Practice →
1258
Level 2 · Foundational Ethernet Unanswered

For a cloud migration threat model, why is understanding "broadcast domain" technically important?

View answer choices
  1. The set of devices that receive a Layer 2 broadcast.
  2. Every host on the public Internet.
  3. Only devices sharing a TCP port.
  4. A group defined by cable color.
Practice →
1259
Level 2 · Foundational Ethernet Unanswered

For a cloud migration threat model, why is understanding "full-duplex Ethernet" technically important?

View answer choices
  1. Every frame is sent to all ports.
  2. The link uses no MAC addresses.
  3. Only one end may transmit at any time.
  4. Both ends can transmit and receive simultaneously without collisions.
Practice →
1260
Level 2 · Foundational Ethernet Unanswered

For a cloud migration threat model, why is understanding "auto-negotiation" technically important?

View answer choices
  1. Ethernet peers advertise and select compatible speed and duplex settings.
  2. DNS servers select domain names.
  3. Hosts automatically choose Wi-Fi passwords.
  4. Routers exchange Internet routes automatically.
Practice →
1261
Level 2 · Foundational Subnetting Unanswered

A security engineer documents "/30 IPv4 prefix" during an industrial network security review. Which definition belongs in the report?

View answer choices
  1. A prefix used only for multicast.
  2. A small traditional subnet with four total addresses and two usable host addresses.
  3. A subnet with 30 usable hosts.
  4. A subnet with 256 usable hosts.
Practice →
1262
Level 2 · Foundational Subnetting Unanswered

A security engineer documents "network address" during an industrial network security review. Which definition belongs in the report?

View answer choices
  1. The address with all host bits set to one.
  2. The last usable client address only.
  3. The address representing an IPv4 subnet, with all host bits set to zero.
  4. A switch’s burned-in MAC address.
Practice →
1263
Level 2 · Foundational Subnetting Unanswered

A security engineer documents "broadcast address" during an industrial network security review. Which definition belongs in the report?

View answer choices
  1. The first address with all host bits zero.
  2. An IPv6 unicast address.
  3. The MAC address of a router interface.
  4. The IPv4 subnet address with all host bits set to one.
Practice →
1264
Level 2 · Foundational Switching Unanswered

A security engineer documents "VLAN" during an industrial network security review. Which definition belongs in the report?

View answer choices
  1. A logical Layer 2 broadcast domain configured on switches.
  2. A replacement for IP addressing.
  3. An Internet-wide routing table.
  4. A physical cable category.
Practice →
1265
Level 2 · Foundational Switching Unanswered

A security engineer documents "access port" during an industrial network security review. Which definition belongs in the report?

View answer choices
  1. A DNS transport port.
  2. A switch port that normally carries traffic for one VLAN to an endpoint.
  3. A port that must carry every VLAN with tags.
  4. A routed interface with no Layer 2 function.
Practice →
1266
Level 2 · Foundational Switching Unanswered

A security engineer documents "802.1Q trunk" during an industrial network security review. Which definition belongs in the report?

View answer choices
  1. A link that carries traffic for multiple VLANs using VLAN tags.
  2. A link that carries exactly one untagged endpoint VLAN only.
  3. A method for encrypting DNS.
  4. A wireless frequency channel.
Practice →
1267
Level 2 · Foundational Ethernet Unanswered

A security engineer documents "collision domain" during an industrial network security review. Which definition belongs in the report?

View answer choices
  1. Every router in one autonomous system.
  2. A group of encrypted VPN users.
  3. All networks sharing the same DNS suffix.
  4. A network segment in which simultaneous Ethernet transmissions could collide.
Practice →
1268
Level 2 · Foundational Ethernet Unanswered

A security engineer documents "broadcast domain" during an industrial network security review. Which definition belongs in the report?

View answer choices
  1. The set of devices that receive a Layer 2 broadcast.
  2. A group defined by cable color.
  3. Every host on the public Internet.
  4. Only devices sharing a TCP port.
Practice →
1269
Level 2 · Foundational Ethernet Unanswered

A security engineer documents "full-duplex Ethernet" during an industrial network security review. Which definition belongs in the report?

View answer choices
  1. Only one end may transmit at any time.
  2. The link uses no MAC addresses.
  3. Both ends can transmit and receive simultaneously without collisions.
  4. Every frame is sent to all ports.
Practice →
1270
Level 2 · Foundational Ethernet Unanswered

A security engineer documents "auto-negotiation" during an industrial network security review. Which definition belongs in the report?

View answer choices
  1. Routers exchange Internet routes automatically.
  2. DNS servers select domain names.
  3. Hosts automatically choose Wi-Fi passwords.
  4. Ethernet peers advertise and select compatible speed and duplex settings.
Practice →
1271
Level 2 · Foundational Subnetting Unanswered

While mapping attack paths in a managed-service-provider audit, the team discusses "/30 IPv4 prefix". What is the accurate meaning?

View answer choices
  1. A subnet with 256 usable hosts.
  2. A subnet with 30 usable hosts.
  3. A small traditional subnet with four total addresses and two usable host addresses.
  4. A prefix used only for multicast.
Practice →
1272
Level 2 · Foundational Subnetting Unanswered

While mapping attack paths in a managed-service-provider audit, the team discusses "network address". What is the accurate meaning?

View answer choices
  1. A switch’s burned-in MAC address.
  2. The address representing an IPv4 subnet, with all host bits set to zero.
  3. The last usable client address only.
  4. The address with all host bits set to one.
Practice →
1273
Level 2 · Foundational Subnetting Unanswered

While mapping attack paths in a managed-service-provider audit, the team discusses "broadcast address". What is the accurate meaning?

View answer choices
  1. The IPv4 subnet address with all host bits set to one.
  2. The MAC address of a router interface.
  3. An IPv6 unicast address.
  4. The first address with all host bits zero.
Practice →
1274
Level 2 · Foundational Switching Unanswered

While mapping attack paths in a managed-service-provider audit, the team discusses "VLAN". What is the accurate meaning?

View answer choices
  1. An Internet-wide routing table.
  2. A replacement for IP addressing.
  3. A physical cable category.
  4. A logical Layer 2 broadcast domain configured on switches.
Practice →
1275
Level 2 · Foundational Switching Unanswered

While mapping attack paths in a managed-service-provider audit, the team discusses "access port". What is the accurate meaning?

View answer choices
  1. A switch port that normally carries traffic for one VLAN to an endpoint.
  2. A routed interface with no Layer 2 function.
  3. A port that must carry every VLAN with tags.
  4. A DNS transport port.
Practice →
1276
Level 2 · Foundational Switching Unanswered

While mapping attack paths in a managed-service-provider audit, the team discusses "802.1Q trunk". What is the accurate meaning?

View answer choices
  1. A link that carries exactly one untagged endpoint VLAN only.
  2. A wireless frequency channel.
  3. A link that carries traffic for multiple VLANs using VLAN tags.
  4. A method for encrypting DNS.
Practice →
1277
Level 2 · Foundational Ethernet Unanswered

While mapping attack paths in a managed-service-provider audit, the team discusses "collision domain". What is the accurate meaning?

View answer choices
  1. Every router in one autonomous system.
  2. A group of encrypted VPN users.
  3. A network segment in which simultaneous Ethernet transmissions could collide.
  4. All networks sharing the same DNS suffix.
Practice →
1278
Level 2 · Foundational Ethernet Unanswered

While mapping attack paths in a managed-service-provider audit, the team discusses "broadcast domain". What is the accurate meaning?

View answer choices
  1. Only devices sharing a TCP port.
  2. A group defined by cable color.
  3. Every host on the public Internet.
  4. The set of devices that receive a Layer 2 broadcast.
Practice →
1279
Level 2 · Foundational Ethernet Unanswered

While mapping attack paths in a managed-service-provider audit, the team discusses "full-duplex Ethernet". What is the accurate meaning?

View answer choices
  1. Every frame is sent to all ports.
  2. Only one end may transmit at any time.
  3. Both ends can transmit and receive simultaneously without collisions.
  4. The link uses no MAC addresses.
Practice →
1280
Level 2 · Foundational Ethernet Unanswered

While mapping attack paths in a managed-service-provider audit, the team discusses "auto-negotiation". What is the accurate meaning?

View answer choices
  1. Routers exchange Internet routes automatically.
  2. Hosts automatically choose Wi-Fi passwords.
  3. Ethernet peers advertise and select compatible speed and duplex settings.
  4. DNS servers select domain names.
Practice →
1281
Level 2 · Foundational Subnetting Unanswered

An analyst validating a government zero-trust rollout sees "/30 IPv4 prefix". Which technical explanation should be used?

View answer choices
  1. A small traditional subnet with four total addresses and two usable host addresses.
  2. A prefix used only for multicast.
  3. A subnet with 256 usable hosts.
  4. A subnet with 30 usable hosts.
Practice →
1282
Level 2 · Foundational Subnetting Unanswered

An analyst validating a government zero-trust rollout sees "network address". Which technical explanation should be used?

View answer choices
  1. The last usable client address only.
  2. The address with all host bits set to one.
  3. A switch’s burned-in MAC address.
  4. The address representing an IPv4 subnet, with all host bits set to zero.
Practice →
1283
Level 2 · Foundational Subnetting Unanswered

An analyst validating a government zero-trust rollout sees "broadcast address". Which technical explanation should be used?

View answer choices
  1. The IPv4 subnet address with all host bits set to one.
  2. The first address with all host bits zero.
  3. An IPv6 unicast address.
  4. The MAC address of a router interface.
Practice →
1284
Level 2 · Foundational Switching Unanswered

An analyst validating a government zero-trust rollout sees "VLAN". Which technical explanation should be used?

View answer choices
  1. A replacement for IP addressing.
  2. A logical Layer 2 broadcast domain configured on switches.
  3. A physical cable category.
  4. An Internet-wide routing table.
Practice →
1285
Level 2 · Foundational Switching Unanswered

An analyst validating a government zero-trust rollout sees "access port". Which technical explanation should be used?

View answer choices
  1. A routed interface with no Layer 2 function.
  2. A DNS transport port.
  3. A switch port that normally carries traffic for one VLAN to an endpoint.
  4. A port that must carry every VLAN with tags.
Practice →
1286
Level 2 · Foundational Switching Unanswered

An analyst validating a government zero-trust rollout sees "802.1Q trunk". Which technical explanation should be used?

View answer choices
  1. A link that carries exactly one untagged endpoint VLAN only.
  2. A wireless frequency channel.
  3. A method for encrypting DNS.
  4. A link that carries traffic for multiple VLANs using VLAN tags.
Practice →
1287
Level 2 · Foundational Ethernet Unanswered

An analyst validating a government zero-trust rollout sees "collision domain". Which technical explanation should be used?

View answer choices
  1. A network segment in which simultaneous Ethernet transmissions could collide.
  2. Every router in one autonomous system.
  3. All networks sharing the same DNS suffix.
  4. A group of encrypted VPN users.
Practice →
1288
Level 2 · Foundational Ethernet Unanswered

An analyst validating a government zero-trust rollout sees "broadcast domain". Which technical explanation should be used?

View answer choices
  1. Only devices sharing a TCP port.
  2. A group defined by cable color.
  3. The set of devices that receive a Layer 2 broadcast.
  4. Every host on the public Internet.
Practice →
1289
Level 2 · Foundational Ethernet Unanswered

An analyst validating a government zero-trust rollout sees "full-duplex Ethernet". Which technical explanation should be used?

View answer choices
  1. Both ends can transmit and receive simultaneously without collisions.
  2. Every frame is sent to all ports.
  3. The link uses no MAC addresses.
  4. Only one end may transmit at any time.
Practice →
1290
Level 2 · Foundational Ethernet Unanswered

An analyst validating a government zero-trust rollout sees "auto-negotiation". Which technical explanation should be used?

View answer choices
  1. DNS servers select domain names.
  2. Routers exchange Internet routes automatically.
  3. Ethernet peers advertise and select compatible speed and duplex settings.
  4. Hosts automatically choose Wi-Fi passwords.
Practice →
1291
Level 2 · Foundational Subnetting Unanswered

During lessons learned from a multinational enterprise breach simulation, which statement about "/30 IPv4 prefix" is correct?

View answer choices
  1. A subnet with 30 usable hosts.
  2. A subnet with 256 usable hosts.
  3. A prefix used only for multicast.
  4. A small traditional subnet with four total addresses and two usable host addresses.
Practice →
1292
Level 2 · Foundational Subnetting Unanswered

During lessons learned from a multinational enterprise breach simulation, which statement about "network address" is correct?

View answer choices
  1. The address representing an IPv4 subnet, with all host bits set to zero.
  2. The address with all host bits set to one.
  3. A switch’s burned-in MAC address.
  4. The last usable client address only.
Practice →
1293
Level 2 · Foundational Subnetting Unanswered

During lessons learned from a multinational enterprise breach simulation, which statement about "broadcast address" is correct?

View answer choices
  1. The MAC address of a router interface.
  2. The IPv4 subnet address with all host bits set to one.
  3. The first address with all host bits zero.
  4. An IPv6 unicast address.
Practice →
1294
Level 2 · Foundational Switching Unanswered

During lessons learned from a multinational enterprise breach simulation, which statement about "VLAN" is correct?

View answer choices
  1. A logical Layer 2 broadcast domain configured on switches.
  2. An Internet-wide routing table.
  3. A physical cable category.
  4. A replacement for IP addressing.
Practice →
1295
Level 2 · Foundational Switching Unanswered

During lessons learned from a multinational enterprise breach simulation, which statement about "access port" is correct?

View answer choices
  1. A routed interface with no Layer 2 function.
  2. A DNS transport port.
  3. A port that must carry every VLAN with tags.
  4. A switch port that normally carries traffic for one VLAN to an endpoint.
Practice →
1296
Level 2 · Foundational Switching Unanswered

During lessons learned from a multinational enterprise breach simulation, which statement about "802.1Q trunk" is correct?

View answer choices
  1. A method for encrypting DNS.
  2. A wireless frequency channel.
  3. A link that carries traffic for multiple VLANs using VLAN tags.
  4. A link that carries exactly one untagged endpoint VLAN only.
Practice →
1297
Level 2 · Foundational Ethernet Unanswered

During lessons learned from a multinational enterprise breach simulation, which statement about "collision domain" is correct?

View answer choices
  1. All networks sharing the same DNS suffix.
  2. A network segment in which simultaneous Ethernet transmissions could collide.
  3. A group of encrypted VPN users.
  4. Every router in one autonomous system.
Practice →
1298
Level 2 · Foundational Ethernet Unanswered

During lessons learned from a multinational enterprise breach simulation, which statement about "broadcast domain" is correct?

View answer choices
  1. Every host on the public Internet.
  2. Only devices sharing a TCP port.
  3. The set of devices that receive a Layer 2 broadcast.
  4. A group defined by cable color.
Practice →
1299
Level 2 · Foundational Ethernet Unanswered

During lessons learned from a multinational enterprise breach simulation, which statement about "full-duplex Ethernet" is correct?

View answer choices
  1. Only one end may transmit at any time.
  2. The link uses no MAC addresses.
  3. Every frame is sent to all ports.
  4. Both ends can transmit and receive simultaneously without collisions.
Practice →
1300
Level 2 · Foundational Ethernet Unanswered

During lessons learned from a multinational enterprise breach simulation, which statement about "auto-negotiation" is correct?

View answer choices
  1. Ethernet peers advertise and select compatible speed and duplex settings.
  2. DNS servers select domain names.
  3. Hosts automatically choose Wi-Fi passwords.
  4. Routers exchange Internet routes automatically.
Practice →