Tüm alıştırma soruları

A network engineer is auditing IPv6 interface configurations on a core switch. An interface is manually configured with the fully expanded IPv6 address $2001:0\text{db8}:0000:0000:00\text{ab}:0000:0000:0001/64$. According to standard RFC 5952 zero-compression and leading-zero suppression rules, which of the following represents the correct canonical form of this address?

A network administrator is conducting a final verification audit of a newly constructed Intermediate Distribution Frame (IDF) closet prior to production handoff. To maintain standard documentation practices, physical deployment attributes must be clearly separated from logical network models. Which of the following elements should be documented exclusively on physical topology diagrams or rack elevation schematics rather than logical network diagrams? (Select TWO.)

A network systems engineer is deploying an IPv6-enabled mail gateway. Remote mail servers are failing reverse DNS checks when accepting outbound messages from the gateway's IP address ($2001:db8:85a3::8a2e:370:7334$). The engineer runs the following diagnostic command from a terminal:

text
$ host 2001:db8:85a3::8a2e:370:7334
Host 4.3.3.7.0.7.3.0.e.2.a.8.0.0.0.0.0.0.0.0.3.a.5.8.8.b.d.0.1.0.0.2.ip6.arpa not found: 3(NXDOMAIN)

Which of the following resource records must be configured in the authoritative DNS zone to resolve the NXDOMAIN error?

A network engineer is designing a multi-building enterprise wireless infrastructure across diverse indoor and outdoor physical environments. Match each wireless antenna type on the left with its optimal deployment scenario and RF propagation profile on the right.

A network administrator is auditing the stateful address translation table on an edge firewall configured with Port Address Translation (PAT). Which of the following statements correctly describe how PAT processes outbound traffic and manages network connections? (Select TWO)

A network engineer is configuring standard IEEE 802.1D Spanning Tree Protocol (STP) across a enterprise switch topology. Currently, all switches in the network operate using the default bridge priority of $32768$. The engineer needs to explicitly configure Switch-1 to guarantee it becomes the primary Root Bridge, and Switch-2 to serve as the designated backup Root Bridge if Switch-1 fails. Which combination of bridge priority settings should the engineer assign to achieve this design?

Match each network documentation artifact on the left to its corresponding operational purpose on the right.

A network technician terminates a new Category 6A horizontal cable run between a patch panel and a modular wall jack using T568B standards. When testing the link, a basic wiremapper confirms that all eight conductors have proper 1-to-1 pin continuity. However, when connected to a multi-gigabit switch, the link fails to negotiate a 10Gbps connection and experiences high frame error rates. A cable certifier reveals severe Near-End Crosstalk (NEXT). Which TWO of the following physical installation faults are the most likely causes of this issue? (Select TWO.)

A field technician is dispatched to troubleshoot a physical layer connectivity failure at a newly installed workstation outlet. The technician needs to verify the individual conductor color coding, pinout standard, and precise punch-down block termination points for the wall jack run inside the wiring closet. Which document should the technician consult to obtain this specific information?

An enterprise network security administrator discovers anomalous traffic on a switch interface where an attacker on VLAN 10 sent frames directly to a target server on VLAN 20 without passing through a router. Analysis of captured frames reveals two 802.1Q tags embedded within the Ethernet header. Which of the following conditions must be met for this double-tagging VLAN hopping attack to succeed? (Select TWO.)

A network engineer is documenting the IPv6 address allocation for an enterprise router interface. The fully expanded, uncompressed address assigned to the interface is 2001:0db8:0000:0042:0000:0000:0000:0007. According to RFC 5952 rules, what is the correctly compressed and canonicalized representation of this IPv6 address?

A core router receives a packet destined for $192.168.10.45$. The router's Routing Information Base (RIB) contains four distinct candidate routes for reaching this destination network:

- A static route to $192.168.10.0/24$ configured with an administrative distance of $130$.
- An OSPF route to $192.168.10.0/24$ with an administrative distance of $110$ and metric of $50$.
- An EIGRP internal route to $192.168.10.0/24$ with an administrative distance of $90$ and metric of $25600$.
- A RIPv2 route to $192.168.10.0/24$ with an administrative distance of $120$ and metric of $2$.

Which route will the router install into its active forwarding table to handle traffic destined for $192.168.10.45$?

A security engineer is updating the baseline configuration of a remote branch router to comply with corporate security standards. The compliance mandate specifies two primary controls: preventing automated device discovery announcements from leaking network topology details to untrusted segments, and securing interactive management sessions against cleartext eavesdropping. Which set of configuration actions directly fulfills these security requirements?

A network administrator is troubleshooting an issue where hosts on the $10.10.10.0/24$ management subnet cannot establish secure web connections to a server at $10.20.30.50$. Upon reviewing the inbound interface settings on the router, the administrator inspects the following Access Control List (ACL):

text 10 permit tcp 10.10.10.0 0.0.0.255 host 10.20.30.50 eq 80 20 deny ip any any

When attempting to access the server's web control portal via `https://10.20.30.50`, connection attempts time out. Which of the following identifies the root cause of this failure?

An enterprise organization recently expanded its data center by adding a secondary distribution switch to support a new multi-tenant virtualization cluster. During post-deployment testing, virtual machines assigned to VLAN 30 are unable to communicate with their default gateway, despite all physical cables being securely connected to the designated switch ports according to the hardware installation guide. Upon further investigation, a network analyst suspects that trunk encapsulation parameters, IP subnet boundaries, and virtual interface relationships were improperly provisioned on the inter-switch link. Which of the following documentation artifacts should the analyst reference to verify the intended 802.1Q VLAN IDs, logical network prefixes, and Layer 3 gateway assignments for this segment?

An organization is updating its disaster recovery documentation to ensure all team members understand key performance metrics. The network administrator needs to clarify the definitions of Recovery Time Objective (RTO) and Recovery Point Objective (RPO). Which of the following statements accurately describe these disaster recovery metrics? (Select TWO.)

A wireless network administrator observes that roaming wireless clients in a multi-story corporate building consistently maintain connections to distant access points (APs) at very low received signal strength indicator (RSSI) values instead of roaming to nearer APs. This causes overall network degradation due to low data rates consuming excessive airtime. A physical site survey confirms that AP placement and transmit power levels are properly balanced across the floor plan. Which of the following configuration changes on the wireless LAN controller best remediates this sticky client behavior while optimizing overall airtime efficiency?

A network administrator is assigned the IPv4 address block $10.20.0.0/22$ for a new branch location. The administrator needs to partition this block into equal-sized subnets, where each subnet must support at least $50$ usable host IP addresses. What is the maximum number of such subnets that can be created from this address block?

A company is designing a disaster recovery plan and wants to lease an off-site secondary facility. The leased facility includes physical space, power, heating and cooling, and basic network connectivity, but contains no pre-installed computing hardware or restored data. Which type of recovery site does this location represent?

A workstation connected to an enterprise network fails to reach internal network resources. A network technician is assigned to troubleshoot the host's IP addressing and DHCP service connectivity. Arrange the diagnostic and troubleshooting steps in the correct order according to standard bottom-up network troubleshooting methodology.