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At a manufacturing plant, the campus network lead wants a static IPv4 path for one server 203.0.113.138, not the full /24, through 10.78.203.1. Which command meets this?
A /32 host route matches exactly destination 203.0.113.138 and forwards it to next hop 10.78.203.1. This is the most specific IPv4 static route type.
A default route changes fallback forwarding for all unmatched destinations; 203.0.113.138 was required as a specific target.
A /24 route covers a much larger destination block and does not enforce the single-host requirement for 203.0.113.138.
The destination and next-hop roles are reversed here, incorrectly routing toward 10.78.203.1 as the target host.
At a customer support center, a network operations engineer uses OSPF (AD 110) as the primary path to 172.21.225.0/24. A static backup via 10.84.162.1 must activate only after OSPF disappears. Which command achieves that?
A floating static route uses higher administrative distance 220 so it stays out of the RIB while the preferred OSPF route (AD 110) is available. It can take over on failure.
AD 1 makes this static route preferred over OSPF; it would not float behind the learned route.
AD 0 behaves as an even more preferred route and does not supply a floating backup.
AD 5 is still lower than OSPF 110, so the static route would normally supersede the primary.
A router must reach 2001:db8:200::/64 through neighbor FE80::2 on directly connected GigabitEthernet0/1. Because the next hop is link-local, which IPv6 static route is valid?
An IPv6 link-local next hop is scoped to an interface. Supplying Gi0/1 plus FE80::2 gives IOS enough context to resolve the neighbor for the destination /64.
The same FE80::2 may exist on multiple links; omitting the outgoing interface leaves link-local adjacency scope ambiguous.
The IPv4 `ip route` command does not install IPv6 routes or use IPv6 addresses in its IPv4 syntax.
The destination and next-hop operands are reversed and the prefix is not the requested remote 2001:db8:200::/64.
The operations team must install an exact /128 IPv6 host route to 2001:db8:604::15 through adjacent next hop 2001:db8:abcd::33, without adding a whole /64 or default. Which statement fits?
An IPv6 /128 route matches the one address 2001:db8:604::15 and uses 2001:db8:abcd::33 for the next hop. No broader subnet is affected by this prefix.
::/0 is the default IPv6 route, not a single-host exception.
A /64 covers an entire IPv6 subnet and may affect many other destinations beyond 2001:db8:604::15.
IPv4 route syntax/masks cannot install an IPv6 host route.
An IPv6 edge router advertises summary 2001:db8:be00::/48, but only some constituent /64 networks have working specific routes. Which IPv6 static route acts as a local discard backstop for unallocated addresses in the advertised summary?
A summary-prefix route to Null0 discards traffic inside the advertised /48 that has no more-specific reachable path, reducing the risk of a routing loop for unallocated constituent subnets.
Discarding ::/0 would affect all other unmatched IPv6 destinations, not only the advertised 2001:db8:be00::/48 summary.
A /64 discard route covers just one subnet and leaves the rest of the /48 summary without the proposed drop backstop.
An Ethernet exit interface alone may trigger unnecessary on-link neighbor resolution and is not an explicit discard route; Null0 is the intended sink.
A router needs a static IPv4 route only to host 198.51.100.99 through 192.0.2.5. The engineer must not divert other hosts in 198.51.100.0/24. Which command satisfies the restriction?
The /32 mask creates a host-specific route for .99, leaving other destinations to the existing routing table.
A /24 network route changes forwarding for all 256 addresses in the subnet, not only .99.
A default route is broader still and changes traffic for unmatched destinations far beyond the one host.
Using a /24 mask with a .99 network identifier is not a properly specified /32 host route and may be rejected or normalized, depending on platform.
At a design agency, an implementation partner requires a static route to IPv4 network 172.17.127.0/25 through adjacent router 10.62.71.1. Which IOS command configures the intended route?
The static network route uses destination 172.17.127.0 with mask 255.255.255.128 (/25) and next hop 10.62.71.1. The route matches the intended subnet.
A /32 mask would make the route host-specific and omit most of the intended /25 range.
A zero mask is a default-length /0 entry, not the specific 25-bit destination route.
This reverses the destination and next-hop positions; 10.62.71.1 is a gateway, not the announced subnet.
At a customer support center, a network administrator wants a static IPv4 path for one server 203.0.113.38, not the full /24, through 10.89.50.1. Which command meets this?
A /32 host route matches exactly destination 203.0.113.38 and forwards it to next hop 10.89.50.1. This is the most specific IPv4 static route type.
The destination and next-hop roles are reversed here, incorrectly routing toward 10.89.50.1 as the target host.
A default route changes fallback forwarding for all unmatched destinations; 203.0.113.38 was required as a specific target.
A /24 route covers a much larger destination block and does not enforce the single-host requirement for 203.0.113.38.
At a clinic, the migration lead uses OSPF (AD 110) as the primary path to 172.25.111.0/24. A static backup via 10.115.31.1 must activate only after OSPF disappears. Which command achieves that?
A floating static route uses higher administrative distance 200 so it stays out of the RIB while the preferred OSPF route (AD 110) is available. It can take over on failure.
AD 0 behaves as an even more preferred route and does not supply a floating backup.
AD 1 makes this static route preferred over OSPF; it would not float behind the learned route.
AD 5 is still lower than OSPF 110, so the static route would normally supersede the primary.
A router must install static IPv6 network route 2001:db8:aa:40::/64 through neighbor fe80::1 on GigabitEthernet0/1. Which statement includes the information needed to resolve this link-local next hop?
A link-local next hop can exist on multiple interfaces, so the outgoing interface must be specified with the IPv6 route to identify the correct neighbor.
Without an outgoing interface, the link-local address does not unambiguously identify a neighbor on a particular link.
FF02::1 is the multicast all-nodes group, not the specified neighbor next hop.
ip route is for IPv4 static routing and does not support IPv6 network prefixes.
IPv6 edge router has link-local next hop fe80::c73 on GigabitEthernet0/2, while destination 2001:db8:feed::/48 has no more-specific static route. Which syntax sets a valid IPv6 default using a link-local next hop?
When the next hop is link-local fe80::c73, the outgoing interface GigabitEthernet0/2 is required to identify the correct local link. ::/0 is the IPv6 default prefix.
IPv4 ip route cannot install an IPv6 default using fe80:: link-local syntax.
A link-local next hop alone is ambiguous across interfaces; IOS normally requires an outgoing interface for such a static route.
2001:db8:feed::/48 covers one network rather than all unmatched IPv6 destinations.
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