Tell me how many reserve ports?

680

---

What is the command for change serial cost?

644

---

After how long keep alive messages exchange in eigrp?

615

---

When ospf protocol advertise its routing table?

639

---

In eigrp metric parameters which 2 options are enable by default?

649

---

Default packet size of ipv6?

670

---

What is size of ipv4 mac address?

657

---

What is the difference between named and extended acl?

701

---

If there is only 2 host in bus topology is that possible collision accord?

655

---

What is the default bandwidth size of t1 routers?

620

---

What is the size of hello packets in eigrep protocol?

624

---

Which layer are called upper layer?

591

---

What is the attenuation?

677

---

What is difference between baseband and broadband transmission in ccna?

606

---

What is the size of ipv6?

660

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