Tell me how many reserve ports?

1253

---

What is the command for change serial cost?

1204

---

After how long keep alive messages exchange in eigrp?

1089

---

When ospf protocol advertise its routing table?

1183

---

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

1137

---

Default packet size of ipv6?

1131

---

What is size of ipv4 mac address?

1172

---

What is the difference between named and extended acl?

1202

---

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

1126

---

What is the default bandwidth size of t1 routers?

1107

---

What is the size of hello packets in eigrep protocol?

1162

---

Which layer are called upper layer?

1130

---

What is the attenuation?

1191

---

What is difference between baseband and broadband transmission in ccna?

1244

---

What is the size of ipv6?

1126

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