Exam Bundle

That observation verifies dhcp relay helper address in a different situation, such as when broadcast DHCPDISCOVER packets from remote VLAN clients never reach the central DHCP server. For the reported dhcp giaddr subnet selection incident at a financial services WAN in Toronto, the required acceptance evidence is: The server issues leases from the subnet associated with the actual relay client segment. This other result does not test that condition directly.

That observation verifies dhcpv6 duid identity in a different situation, such as when an administrator assumes DHCPv6 reservations use only a client MAC address and the intended client consistently misses its reserved lease. For the reported dhcp giaddr subnet selection incident at a financial services WAN in Toronto, the required acceptance evidence is: The server issues leases from the subnet associated with the actual relay client segment. This other result does not test that condition directly.

That observation verifies dhcp duplicate leased ip in a different situation, such as when the DHCP server offers an IPv4 address already in use and hosts report duplicate-address alerts. For the reported dhcp giaddr subnet selection incident at a financial services WAN in Toronto, the required acceptance evidence is: The server issues leases from the subnet associated with the actual relay client segment. This other result does not test that condition directly.

That approach is relevant to spoke nhrp registration age, such as when a hub stops forwarding for one spoke because its NHRP registration repeatedly expires. That is a different root cause from the static hub mapping at spoke fault observed at a remote clinic network in Melbourne. Applying that approach alone would not establish the required result: The spoke resolves the hub and registers with its intended next-hop server.

That approach is relevant to spoke multicast static mapping, such as when a DMVPN spoke reaches the hub by unicast but its multicast routing hellos never reach the hub tunnel. That is a different root cause from the static hub mapping at spoke fault observed at a remote clinic network in Melbourne. Applying that approach alone would not establish the required result: The spoke resolves the hub and registers with its intended next-hop server.

That approach is relevant to dmvpn front-door vrf, such as when the tunnel's physical WAN interface belongs to a transport VRF but tunnel underlay lookups incorrectly use the global table. That is a different root cause from the static hub mapping at spoke fault observed at a remote clinic network in Melbourne. Applying that approach alone would not establish the required result: The spoke resolves the hub and registers with its intended next-hop server.

That observation verifies spoke multicast static mapping in a different situation, such as when a DMVPN spoke reaches the hub by unicast but its multicast routing hellos never reach the hub tunnel. For the reported static hub mapping at spoke incident at a remote clinic network in Melbourne, the required acceptance evidence is: The spoke resolves the hub and registers with its intended next-hop server. This other result does not test that condition directly.

That observation verifies dmvpn nhrp network id mismatch in a different situation, such as when the hub and spoke use different NHRP network identifiers despite otherwise consistent tunnel addressing. For the reported static hub mapping at spoke incident at a remote clinic network in Melbourne, the required acceptance evidence is: The spoke resolves the hub and registers with its intended next-hop server. This other result does not test that condition directly.

That observation verifies phase 2 next-hop-self in a different situation, such as when in phase 2 DMVPN, hub EIGRP changes the next hop to its own tunnel IP, preventing a direct spoke shortcut. For the reported static hub mapping at spoke incident at a remote clinic network in Melbourne, the required acceptance evidence is: The spoke resolves the hub and registers with its intended next-hop server. This other result does not test that condition directly.

That approach is relevant to route-map sequence numbering, such as when a new permit route-map entry is added after a broad permit any; its more-specific set action never runs. That is a different root cause from the prefix-list deny ordering fault observed at a managed services backbone in Amsterdam. Applying that approach alone would not establish the required result: The disallowed subnet is excluded while remaining legitimate prefixes continue to match.

That approach is relevant to route-map implicit deny, such as when a redistribution route-map contains only permit sequence 10 for one branch; unrelated intended prefixes disappear. That is a different root cause from the prefix-list deny ordering fault observed at a managed services backbone in Amsterdam. Applying that approach alone would not establish the required result: The disallowed subnet is excluded while remaining legitimate prefixes continue to match.

That approach is relevant to route-map deny behavior, such as when an administrator expects a route-map deny clause to set a new metric for a redistributed route. That is a different root cause from the prefix-list deny ordering fault observed at a managed services backbone in Amsterdam. Applying that approach alone would not establish the required result: The disallowed subnet is excluded while remaining legitimate prefixes continue to match.

That observation verifies prefix-list exact-length filter in a different situation, such as when a route-map references a prefix list that permits only a /16, while intended /24 components are never matched. For the reported prefix-list deny ordering incident at a managed services backbone in Amsterdam, the required acceptance evidence is: The disallowed subnet is excluded while remaining legitimate prefixes continue to match. This other result does not test that condition directly.

That observation verifies route-map sequence numbering in a different situation, such as when a new permit route-map entry is added after a broad permit any; its more-specific set action never runs. For the reported prefix-list deny ordering incident at a managed services backbone in Amsterdam, the required acceptance evidence is: The disallowed subnet is excluded while remaining legitimate prefixes continue to match. This other result does not test that condition directly.

That observation verifies connected route redistribution oversight in a different situation, such as when an attached transit network is mistakenly redistributed into an IGP intended only to carry service prefixes. For the reported prefix-list deny ordering incident at a managed services backbone in Amsterdam, the required acceptance evidence is: The disallowed subnet is excluded while remaining legitimate prefixes continue to match. This other result does not test that condition directly.

That approach is relevant to standard acl source-only, such as when a standard IPv4 ACL intended to restrict one destination behaves broadly because it cannot match destination or transport port. That is a different root cause from the ipv6 traffic-filter attachment fault observed at an industrial switching campus in Hamburg. Applying that approach alone would not establish the required result: IPv6 hit counters reflect intended filtering without changing IPv4 rules.

That approach is relevant to acl applied wrong direction, such as when an extended IPv4 ACL correctly describes unwanted inbound traffic but was attached outbound on the wrong router interface. That is a different root cause from the ipv6 traffic-filter attachment fault observed at an industrial switching campus in Hamburg. Applying that approach alone would not establish the required result: IPv6 hit counters reflect intended filtering without changing IPv4 rules.

That approach is relevant to acl counter troubleshooting, such as when a new permit rule is blamed for a dropped service even though its hit counter never increases. That is a different root cause from the ipv6 traffic-filter attachment fault observed at an industrial switching campus in Hamburg. Applying that approach alone would not establish the required result: IPv6 hit counters reflect intended filtering without changing IPv4 rules.

That observation verifies extended acl ports in a different situation, such as when an ACL permits a destination address but not the required TCP application port because the entry tests the wrong transport field. For the reported ipv6 traffic-filter attachment incident at an industrial switching campus in Hamburg, the required acceptance evidence is: IPv6 hit counters reflect intended filtering without changing IPv4 rules. This other result does not test that condition directly.

That observation verifies standard acl source-only in a different situation, such as when a standard IPv4 ACL intended to restrict one destination behaves broadly because it cannot match destination or transport port. For the reported ipv6 traffic-filter attachment incident at an industrial switching campus in Hamburg, the required acceptance evidence is: IPv6 hit counters reflect intended filtering without changing IPv4 rules. This other result does not test that condition directly.

That observation verifies acl counter troubleshooting in a different situation, such as when a new permit rule is blamed for a dropped service even though its hit counter never increases. For the reported ipv6 traffic-filter attachment incident at an industrial switching campus in Hamburg, the required acceptance evidence is: IPv6 hit counters reflect intended filtering without changing IPv4 rules. This other result does not test that condition directly.

That approach is relevant to ssh transport restriction, such as when a VTY line allows Telnet login even though the management policy requires encrypted CLI access. That is a different root cause from the ssh version legacy fault observed at a managed WAN provider in Amsterdam. Applying that approach alone would not establish the required result: Remote sessions negotiate the intended modern SSH protocol version.

That approach is relevant to ssh source interface routing, such as when management SSH works from one site but not another because replies leave through an unintended VRF or source path. That is a different root cause from the ssh version legacy fault observed at a managed WAN provider in Amsterdam. Applying that approach alone would not establish the required result: Remote sessions negotiate the intended modern SSH protocol version.

That approach is relevant to ssh rsa key prerequisites, such as when a router cannot start the SSH service because it lacks an appropriate host key and required IOS SSH configuration. That is a different root cause from the ssh version legacy fault observed at a managed WAN provider in Amsterdam. Applying that approach alone would not establish the required result: Remote sessions negotiate the intended modern SSH protocol version.

That observation verifies ssh source interface routing in a different situation, such as when management SSH works from one site but not another because replies leave through an unintended VRF or source path. For the reported ssh version legacy incident at a managed WAN provider in Amsterdam, the required acceptance evidence is: Remote sessions negotiate the intended modern SSH protocol version. This other result does not test that condition directly.

That observation verifies ssh transport restriction in a different situation, such as when a VTY line allows Telnet login even though the management policy requires encrypted CLI access. For the reported ssh version legacy incident at a managed WAN provider in Amsterdam, the required acceptance evidence is: Remote sessions negotiate the intended modern SSH protocol version. This other result does not test that condition directly.

That observation verifies vty access-class management acl in a different situation, such as when untrusted subnets can open the router's SSH port even though the routing interfaces have unrelated ACLs. For the reported ssh version legacy incident at a managed WAN provider in Amsterdam, the required acceptance evidence is: Remote sessions negotiate the intended modern SSH protocol version. This other result does not test that condition directly.

That approach is relevant to eigrp seed metric on redistribution, such as when oSPF routes do not appear in EIGRP after redistribution because no usable seed metric was assigned. That is a different root cause from the mutual redistribution metric integrity fault observed at a cloud interconnect team in Toronto. Applying that approach alone would not establish the required result: External routes take the expected path and injected metrics align with the design policy.

That approach is relevant to ospf e1 versus e2 metric type, such as when traffic toward a redistributed external prefix should account for internal path cost, but all paths are evaluated only on the external metric. That is a different root cause from the mutual redistribution metric integrity fault observed at a cloud interconnect team in Toronto. Applying that approach alone would not establish the required result: External routes take the expected path and injected metrics align with the design policy.

That approach is relevant to ospf default originate conditional, such as when the border router should originate an OSPF default only while it has a usable upstream default but neighbors receive none. That is a different root cause from the mutual redistribution metric integrity fault observed at a cloud interconnect team in Toronto. Applying that approach alone would not establish the required result: External routes take the expected path and injected metrics align with the design policy.

That observation verifies eigrp seed metric on redistribution in a different situation, such as when oSPF routes do not appear in EIGRP after redistribution because no usable seed metric was assigned. For the reported mutual redistribution metric integrity incident at a cloud interconnect team in Toronto, the required acceptance evidence is: External routes take the expected path and injected metrics align with the design policy. This other result does not test that condition directly.

That observation verifies ospf external subnets redistribution in a different situation, such as when a redistribution statement is intended to carry multiple classless subnets into OSPF but only classful behavior is observed in the configured IOS context. For the reported mutual redistribution metric integrity incident at a cloud interconnect team in Toronto, the required acceptance evidence is: External routes take the expected path and injected metrics align with the design policy. This other result does not test that condition directly.

That observation verifies redistribution route-map omission in a different situation, such as when a router leaks sensitive static prefixes into OSPF because redistribute static has no route policy. For the reported mutual redistribution metric integrity incident at a cloud interconnect team in Toronto, the required acceptance evidence is: External routes take the expected path and injected metrics align with the design policy. This other result does not test that condition directly.