Objective 2.020% of exam

Network Implementation

N10-009 Practice Questions

This domain covers deploying and configuring wired and wireless networks using switching, routing, and wireless technologies. For N10-009, you must know VLANs, STP, EtherChannel, OSPF, NAT, DHCP, DNS, and wireless standards. Exam questions present configuration scenarios and ask you to select the correct command, protocol, or setting to meet a requirement.

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What this objective tests

N10-009 Network Implementation — Key Topics

Configure VLANs with `switchport mode trunk`, run OSPF with `network` statements, and set up NAT overload with `ip nat inside source list`. Get subnetting and wildcard masks right, since errors break routing and DHCP relay.

Configure VLANs and 802.1Q trunking on switches, including native VLAN and allowed VLAN lists.
Implement OSPFv2 areas, neighbor adjacencies, and default route propagation on routers.
Set up wireless access points with WPA3, correct channels, and SSID-to-VLAN mapping.
Apply NAT/PAT overload and DHCP relay (ip helper-address) for client addressing.

Common exam traps

Where candidates lose marks on Network Implementation

⚠Confusing access and trunk port modes, leading to VLAN mismatches or native VLAN errors on 802.1Q links.
⚠Forgetting that OSPF router IDs must be unique and that passive interfaces suppress hellos but still advertise.
⚠Assuming wireless clients automatically use the fastest standard; channel width and interference affect actual throughput.

N10-009 Network Implementation — Practice Questions

30 questions from this objective · 20% of your N10-009 exam

Question 2mediummultiple choice

Network Implementation

N10-009 Network Implementation — Key Topics

Where candidates lose marks on Network Implementation

N10-009 Network Implementation — Practice Questions

A network administrator is configuring a trunk port between two switches. Both switches have been set with native VLAN 99. However, traffic from some VLANs is not passing over the trunk. What should the administrator verify?

A network technician needs to configure a trunk link between two switches so that only VLANs 10, 20, and 30 are allowed to traverse it. Which configuration approach will accomplish this?

A network administrator is configuring an IEEE 802.1Q trunk between two switches. Which of the following must match on both ends for the trunk to function correctly?

A network engineer needs to segment a single physical switch into multiple broadcast domains to improve security and reduce traffic. Which technology should be implemented?

A router receives a packet destined for 10.0.0.15. It has the following routes in the routing table: 10.0.0.0/8 via 192.168.1.1, 10.0.0.0/16 via 192.168.2.1, 0.0.0.0/0 via 192.168.3.1. Which route will be used?

A company has just installed a new fiber optic connection between two buildings 2 km apart. The connection is using multimode fiber. However, the signal is too weak at the receiving end. What is the most likely cause?

A company is deploying a new wireless network in a warehouse. The network administrator needs to ensure that clients can seamlessly roam between access points without losing connectivity. Which of the following should be configured?

A company is setting up a new branch office and needs to connect it to the main office over the internet using a secure VPN. The branch office has a dynamic public IP address. Which type of VPN should be configured?

A company is implementing a wireless network and needs to support high-density client environments with minimal interference. Which IEEE 802.11 standard operates in the 5 GHz band and provides the highest throughput among the options?

A company is deploying a wireless network that must support both 2.4 GHz and 5 GHz frequency bands. Which IEEE 802.11 standard supports both bands and is backward compatible with older devices?

A network administrator is connecting two switches and wants to increase the bandwidth between them while also providing redundancy in case one link fails. Which technology should be configured on the switch ports?

A network administrator is configuring dynamic routing between two routers in the same organization. The routers must support VLSM, converge quickly, and use a metric that is based on bandwidth and delay. Which routing protocol should be configured?

A company is deploying a new wireless network for a small office. The network will consist of three access points. The IT manager wants the APs to automatically coordinate radio frequency settings and client roaming without a dedicated controller. Which technology should be implemented?

A company is extending its network to a new building located 200 meters away. The link must support 1 Gbps speeds. Which cabling type should be used?

A company wants to deploy a wireless network in an office with high-density client requirements. Which 802.11 technology allows multiple antennas to transmit multiple spatial streams to increase throughput?

A network engineer is designing a subnet for a department that requires exactly 50 usable host addresses. Which subnet mask provides the minimum number of usable host addresses while still accommodating the requirement?

An organization uses OSPF as its interior gateway protocol in a multi-area design. After a core router failure, the network takes a long time to reconverge. Which technology can be implemented to improve convergence speed?

Two switches are connected via a trunk link configured with allowed VLANs 10, 20, and 30. Hosts on VLAN 20 can communicate across the trunk, but hosts on VLAN 30 cannot. Which of the following is the most likely cause?

A network administrator is configuring a trunk link between two switches. The link is up, but devices on VLAN 30 cannot communicate across the trunk. Devices on VLAN 10 and 20 can communicate. What should the administrator verify?

All N10-009 Objectives

Network Implementation

N10-009 Network Implementation — Key Topics

Where candidates lose marks on Network Implementation

N10-009 Network Implementation — Practice Questions

A network administrator is configuring a trunk port between two switches. Both switches have been set with native VLAN 99. However, traffic from some VLANs is not passing over the trunk. What should the administrator verify?

A network technician needs to configure a trunk link between two switches so that only VLANs 10, 20, and 30 are allowed to traverse it. Which configuration approach will accomplish this?

A network administrator is configuring an IEEE 802.1Q trunk between two switches. Which of the following must match on both ends for the trunk to function correctly?

A network engineer needs to segment a single physical switch into multiple broadcast domains to improve security and reduce traffic. Which technology should be implemented?

A router receives a packet destined for 10.0.0.15. It has the following routes in the routing table: 10.0.0.0/8 via 192.168.1.1, 10.0.0.0/16 via 192.168.2.1, 0.0.0.0/0 via 192.168.3.1. Which route will be used?

A company has just installed a new fiber optic connection between two buildings 2 km apart. The connection is using multimode fiber. However, the signal is too weak at the receiving end. What is the most likely cause?

A company is deploying a new wireless network in a warehouse. The network administrator needs to ensure that clients can seamlessly roam between access points without losing connectivity. Which of the following should be configured?

A company is setting up a new branch office and needs to connect it to the main office over the internet using a secure VPN. The branch office has a dynamic public IP address. Which type of VPN should be configured?

A company is implementing a wireless network and needs to support high-density client environments with minimal interference. Which IEEE 802.11 standard operates in the 5 GHz band and provides the highest throughput among the options?

A company is deploying a wireless network that must support both 2.4 GHz and 5 GHz frequency bands. Which IEEE 802.11 standard supports both bands and is backward compatible with older devices?

A network administrator is connecting two switches and wants to increase the bandwidth between them while also providing redundancy in case one link fails. Which technology should be configured on the switch ports?

A network administrator is configuring dynamic routing between two routers in the same organization. The routers must support VLSM, converge quickly, and use a metric that is based on bandwidth and delay. Which routing protocol should be configured?

A company is deploying a new wireless network for a small office. The network will consist of three access points. The IT manager wants the APs to automatically coordinate radio frequency settings and client roaming without a dedicated controller. Which technology should be implemented?

A company is extending its network to a new building located 200 meters away. The link must support 1 Gbps speeds. Which cabling type should be used?

A company wants to deploy a wireless network in an office with high-density client requirements. Which 802.11 technology allows multiple antennas to transmit multiple spatial streams to increase throughput?

A network engineer is designing a subnet for a department that requires exactly 50 usable host addresses. Which subnet mask provides the minimum number of usable host addresses while still accommodating the requirement?

An organization uses OSPF as its interior gateway protocol in a multi-area design. After a core router failure, the network takes a long time to reconverge. Which technology can be implemented to improve convergence speed?

Two switches are connected via a trunk link configured with allowed VLANs 10, 20, and 30. Hosts on VLAN 20 can communicate across the trunk, but hosts on VLAN 30 cannot. Which of the following is the most likely cause?

A network administrator is configuring a trunk link between two switches. The link is up, but devices on VLAN 30 cannot communicate across the trunk. Devices on VLAN 10 and 20 can communicate. What should the administrator verify?

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