KINTAVORAdministrador de Redes Profesional

Diagnóstico de 25 preguntas

Preguntas originales en inglés, explicaciones en español y resultados por dominio. No son preguntas reales ni dumps del examen.

Contexto: esta prueba utiliza objetivos publicados del blueprint v2.0, disponible desde el 3 de febrero de 2027. No confirma una matrícula ni sustituye la información oficial de Cisco.

Pregunta 1 de 25 · D1

Endpoint A uses 10.21.208.239/24. Which candidate is a usable address in the same subnet?

Pregunta 2 de 25 · D1

A new LAN requires 2045 simultaneously addressable IPv4 hosts, plus network and broadcast. What is the longest prefix that satisfies the requirement?

Pregunta 3 de 25 · D1

Case LYR-10: TLS negotiation fails after TCP establishes successfully. Which OSI layer contains the first directly observed failure?

Pregunta 4 de 25 · D1

The address 10.92.76.12/27 appears in an interface inventory. Which directed broadcast belongs to that subnet?

Pregunta 5 de 25 · D1

Endpoint A uses 10.146.4.6/29. Which candidate is a usable address in the same subnet?

Pregunta 6 de 25 · D2

STP instance STP-07 lists SW1: priority 24576, MAC 0000.0000.1060, SW2: priority 28672, MAC 0000.0000.1063, SW3: priority 32768, MAC 0000.0000.1066, SW4: priority 24576, MAC 0000.0000.1069. Which switch becomes root bridge?

Pregunta 7 de 25 · D2

Host A is on access VLAN 30; Host B is on access VLAN 40. Layer 3 forwarding is enabled with policy review. Which statement predicts their connectivity?

Pregunta 8 de 25 · D2

RSTP protection case EDGE-02: A distribution port must not accept a superior BPDU from an access switch. The event has already been captured with a timestamp. Which action fits the requirement?

Pregunta 9 de 25 · D2

Trunk TRK-31 must carry [20, 80, 99]. End A: mode trunk, native 910, allowed [20, 80, 99]. End B: mode trunk, native 910, allowed [80, 99]. What action follows from this evidence?

Pregunta 10 de 25 · D2

Port record ACC-06 requires endpoint Gi1/0/6 in VLAN 45. Current state is `switchport mode access` and `switchport access vlan 65`. What is the least disruptive next action?

Pregunta 11 de 25 · D3

Routing table RT-29 contains [0.0.0.0/0 via 192.0.2.1; 10.0.0.0/8 via 192.0.2.2; 10.48.0.0/16 via 192.0.2.3; 10.48.84.0/24 via 192.0.2.4]. Which entry forwards destination 10.48.84.38?

Pregunta 12 de 25 · D3

OSPF supplies 10.122.176.0/24 with AD 110. A separate validated link should act only as backup. Which choice keeps the static route floating?

Pregunta 13 de 25 · D3

Routing table RT-07 contains [0.0.0.0/0 via 192.0.2.1; 10.0.0.0/8 via 192.0.2.2; 10.26.0.0/16 via 192.0.2.3; 10.26.114.0/24 via 192.0.2.4; 10.26.114.0/25 via 192.0.2.5]. Which entry forwards destination 10.26.114.16?

Pregunta 14 de 25 · D3

Gateway/routing case GW-06 uses virtual IP 10.55.0.1 and current active priority 125. Both gateway routers advertise the same priority because the intended active router lost its custom value. What is the best next action?

Pregunta 15 de 25 · D3

Routing table RT-21 contains [0.0.0.0/0 via 192.0.2.1; 10.0.0.0/8 via 192.0.2.2; 10.40.0.0/16 via 192.0.2.3; 10.40.156.0/24 via 192.0.2.4]. Which entry forwards destination 10.40.156.30?

Pregunta 16 de 25 · D4

Dynamic NAT pool starts at 198.51.100.24 with 3 addresses; 3 unique active inside hosts already hold mappings and overload is disabled. What happens to the next new inside host?

Pregunta 17 de 25 · D4

ACL evaluation ACL-13: rules [10 permit tcp 10.132.0.0/24 172.32.10.0/24 eq 80; 20 deny ip 10.132.0.0/24 any; 30 permit ip any any]. Flow is TCP from 10.132.0.22 to 172.32.10.112 destination port 80. What is the first matching result?

Pregunta 18 de 25 · D4

Security case SEC-03 affects the management plane: An automation repository contains a plaintext device token. Which response applies least privilege and preserves evidence?

Pregunta 19 de 25 · D4

An ACL must match exactly subnet 10.101.32.0/21. Which wildcard mask belongs with its network address?

Pregunta 20 de 25 · D4

For inside flow 10.71.1.21:21507 to 203.0.113.111:443, PAT allocates global address 198.51.100.31 and port 41243. What tuple represents the inside host on the outside network?

Pregunta 21 de 25 · D5

AI operations case EVD-100: The model invents `show ip magic-route`, which is not in the approved command catalog. A human operator owns the decision. What is the correct response?

Pregunta 22 de 25 · D5

NOC ticket TKT-2011 (branch WAN, elapsed 49 minutes): A branch workaround restores data but voice remains degraded. What should the L1 operator do?

Pregunta 23 de 25 · D5

AI operations case EVD-118: Two AI tools give contradictory root-cause claims from the same limited logs. No production change is authorized by the model. What is the correct response?

Pregunta 24 de 25 · D5

Automation change AUTO-15 has approved batch size 47: The API returns 429 with a Retry-After value. What should the workflow do next?

Pregunta 25 de 25 · D5

AI operations case EVD-110: A model recommends an ACL but omits the implicit deny impact on management. No production change is authorized by the model. What is the correct response?